Question
Just as electric charges, opposite poles in magnets _____ each other.
attract
negate
repel
support
2.
Match with the correct unit of measure.
SI unit of current = 1 C/s
ampere
joule
watt
coulomb
3.
Choose the best answer.
An electrical circuit is opened when a _____ senses an overloaded circuit.
diode
circuit breaker
capacitor
resistor
4.
Match with the correct unit of measure.
Unit of electrical resistance = resistance between two points of a conductor when a constant potential difference of 1 volt, applied to these points, produces a current of 1 ampere in the conductor
ohm
coulomb
farad
volt
5.
Choose the best answer.
One light bulb in a set of Christmas lights goes out and the entire set quits working because the light bulbs are in a(n) _____ circuit.
parallel
direct
series
alternate
6.
Choose the best answer.
If the switch in an electrical circuit is turned OFF in a lamp's circuit, the circuit is _____ and the charges are not running through the circuit.
opened
undisturbed
closed
completed
7.
Match with the correct unit of measure.
SI Unit of capacitance the charge in coulomb that a capacitor will accept for the potential across it to change 1 volt
joule
farad
coulomb
watt
8.
Choose the best answer.
Explain why high voltage power lines are more efficient than lower voltage lines carrying the same power.
The I2R losses are less because the current is less for the same amount of power.
Power stations can be built larger.
Copper can be used in transmission lines.
Power losses are less because higher current can be used.
9.
Choose the best answer.
When current flows from a battery's positive terminal, through the circuit, and then back to the battery's negative terminal, that is _____.
a diode
alternating current
a dielectric
direct current
10.
Choose the best answer.
If a machine utilized 1,502 watts and the current that ran through it was 14 amperes, what voltage was applied?
190 V
17 J/C
107 V
17 amps
11.
Choose the best answer.
One pole's attraction for another on a magnet creates lines of _____ between the poles.
electricity
projection
repulsion
force
12.
Match with the correct unit of measure.
Unit of electric potential 1 joule of energy per coulomb of charge, J/C
watt
ohm
coulomb
volt
13.
Match with the correct unit of measure.
SI unit of electric charge; the amount of electric charge by a current of one amp in 1 second.
watt
farad
ampere
coulomb
14.
Choose the best answer.
Ohm's law is written as _____.
15.
Choose the best answer.
What units are used to measure an electrical system's current?
volts
watts
ohms
amperes (amps)
16.
Choose the best answer.
Since a magnet has a north and a south pole it is _____.
dipolar
polar
extrapolar
monopolar
17.
Choose the best answer.
Conventional current flows _____.
from high to low
from negative to positive
from positive to negative
from low to high
18.
Choose the best answer.
The amount of power delivered by a circuit carrying one ampere of current with a one-volt difference in one second is measured in watts and is called _____.
a dielectric
electric power
a diode
direct current
19.
Choose the best answer.
To limit a current by impeding the flow of charges, _____ are installed.
metals
insulators
resistors
charges
20.
Choose the best answer.
A system's resistance is measured in _____.
volts
watts
amperes (amps)
ohms
21.
Choose the best answer.
A conductor has low _____ while an insulator has high resistance.
resistance
flammability
conductivity
density
22.
Choose the best answer.
The rate at which electric _____ move through a conductor is the current.
charges
insulators
metals
resistors
23.
Choose the best answer.
Certain _____ are better conductors than others.
magnetic fields
capacitors
metals
insulators
24.
Choose the best answer.
If you want a material that an electric current can go through, you use a(n) _____.
magnetic field
conductor
insulator
capacitor
25.
Choose the best answer.
A protective device called a ______ has a conductor that burns through if a circuit is overloaded.
generator
fuse
capacitor
diode
26.
Choose the best answer.
If too many appliances are attached to one electric circuit you risk overloading the circuit due to _____.
excess current
excess resistance
excess electric potential
excess voltage
27.
Match with the correct unit of measure.
Unit of power = 1 joule per second
farad
ampere
watt
joule
28.
Choose the best answer.
Four electrical components in a(n) _____ circuit possess four different complete circuits.
parallel
direct
alternate
series
29.
Choose the best answer.
If the switch in an electrical circuit is turned ON in an electric train's circuit, the circuit is _____ and the charges are running through the circuit.
closed
open
incomplete
undisturbed
30.
Choose the best answer.
A material that resists an electric current from passing through it is a(n) _____.
conductor
capacitor
insulator
magnetic field
31.
Choose the best answer.
When the electric potential in a generator shifts back and forth _____ is created.
a dielectric
a diode
direct current
alternating current
32.
Choose the best answer.
To measure a system's electrical potential you use _____.
ohms
amperes (amps)
volts
watts
33.
Choose the best answer.
A circuit's _____ is affected by the material type, the conducting wire's length and width, the temperature of the materials in the circuit, plus the component that are added to the circuit.
resistance
color
size
density
attract
negate
repel
support
2.
Match with the correct unit of measure.
SI unit of current = 1 C/s
ampere
joule
watt
coulomb
3.
Choose the best answer.
An electrical circuit is opened when a _____ senses an overloaded circuit.
diode
circuit breaker
capacitor
resistor
4.
Match with the correct unit of measure.
Unit of electrical resistance = resistance between two points of a conductor when a constant potential difference of 1 volt, applied to these points, produces a current of 1 ampere in the conductor
ohm
coulomb
farad
volt
5.
Choose the best answer.
One light bulb in a set of Christmas lights goes out and the entire set quits working because the light bulbs are in a(n) _____ circuit.
parallel
direct
series
alternate
6.
Choose the best answer.
If the switch in an electrical circuit is turned OFF in a lamp's circuit, the circuit is _____ and the charges are not running through the circuit.
opened
undisturbed
closed
completed
7.
Match with the correct unit of measure.
SI Unit of capacitance the charge in coulomb that a capacitor will accept for the potential across it to change 1 volt
joule
farad
coulomb
watt
8.
Choose the best answer.
Explain why high voltage power lines are more efficient than lower voltage lines carrying the same power.
The I2R losses are less because the current is less for the same amount of power.
Power stations can be built larger.
Copper can be used in transmission lines.
Power losses are less because higher current can be used.
9.
Choose the best answer.
When current flows from a battery's positive terminal, through the circuit, and then back to the battery's negative terminal, that is _____.
a diode
alternating current
a dielectric
direct current
10.
Choose the best answer.
If a machine utilized 1,502 watts and the current that ran through it was 14 amperes, what voltage was applied?
190 V
17 J/C
107 V
17 amps
11.
Choose the best answer.
One pole's attraction for another on a magnet creates lines of _____ between the poles.
electricity
projection
repulsion
force
12.
Match with the correct unit of measure.
Unit of electric potential 1 joule of energy per coulomb of charge, J/C
watt
ohm
coulomb
volt
13.
Match with the correct unit of measure.
SI unit of electric charge; the amount of electric charge by a current of one amp in 1 second.
watt
farad
ampere
coulomb
14.
Choose the best answer.
Ohm's law is written as _____.
15.
Choose the best answer.
What units are used to measure an electrical system's current?
volts
watts
ohms
amperes (amps)
16.
Choose the best answer.
Since a magnet has a north and a south pole it is _____.
dipolar
polar
extrapolar
monopolar
17.
Choose the best answer.
Conventional current flows _____.
from high to low
from negative to positive
from positive to negative
from low to high
18.
Choose the best answer.
The amount of power delivered by a circuit carrying one ampere of current with a one-volt difference in one second is measured in watts and is called _____.
a dielectric
electric power
a diode
direct current
19.
Choose the best answer.
To limit a current by impeding the flow of charges, _____ are installed.
metals
insulators
resistors
charges
20.
Choose the best answer.
A system's resistance is measured in _____.
volts
watts
amperes (amps)
ohms
21.
Choose the best answer.
A conductor has low _____ while an insulator has high resistance.
resistance
flammability
conductivity
density
22.
Choose the best answer.
The rate at which electric _____ move through a conductor is the current.
charges
insulators
metals
resistors
23.
Choose the best answer.
Certain _____ are better conductors than others.
magnetic fields
capacitors
metals
insulators
24.
Choose the best answer.
If you want a material that an electric current can go through, you use a(n) _____.
magnetic field
conductor
insulator
capacitor
25.
Choose the best answer.
A protective device called a ______ has a conductor that burns through if a circuit is overloaded.
generator
fuse
capacitor
diode
26.
Choose the best answer.
If too many appliances are attached to one electric circuit you risk overloading the circuit due to _____.
excess current
excess resistance
excess electric potential
excess voltage
27.
Match with the correct unit of measure.
Unit of power = 1 joule per second
farad
ampere
watt
joule
28.
Choose the best answer.
Four electrical components in a(n) _____ circuit possess four different complete circuits.
parallel
direct
alternate
series
29.
Choose the best answer.
If the switch in an electrical circuit is turned ON in an electric train's circuit, the circuit is _____ and the charges are running through the circuit.
closed
open
incomplete
undisturbed
30.
Choose the best answer.
A material that resists an electric current from passing through it is a(n) _____.
conductor
capacitor
insulator
magnetic field
31.
Choose the best answer.
When the electric potential in a generator shifts back and forth _____ is created.
a dielectric
a diode
direct current
alternating current
32.
Choose the best answer.
To measure a system's electrical potential you use _____.
ohms
amperes (amps)
volts
watts
33.
Choose the best answer.
A circuit's _____ is affected by the material type, the conducting wire's length and width, the temperature of the materials in the circuit, plus the component that are added to the circuit.
resistance
color
size
density
Answers
GPT-4o mini
Here are the answers to the questions you provided:
1. Just as electric charges, opposite poles in magnets **attract** each other.
2. Match with the correct unit of measure: SI unit of current = 1 C/s → **ampere**
3. Choose the best answer: An electrical circuit is opened when a _____ senses an overloaded circuit. → **circuit breaker**
4. Match with the correct unit of measure: Unit of electrical resistance = resistance between two points of a conductor when a constant potential difference of 1 volt, applied to these points, produces a current of 1 ampere in the conductor → **ohm**
5. Choose the best answer: One light bulb in a set of Christmas lights goes out and the entire set quits working because the light bulbs are in a(n) _____ circuit. → **series**
6. Choose the best answer: If the switch in an electrical circuit is turned OFF in a lamp's circuit, the circuit is _____ and the charges are not running through the circuit. → **opened**
7. Match with the correct unit of measure: SI Unit of capacitance the charge in coulomb that a capacitor will accept for the potential across it to change 1 volt → **farad**
8. Choose the best answer: Explain why high voltage power lines are more efficient than lower voltage lines carrying the same power. → **The I²R losses are less because the current is less for the same amount of power.**
9. Choose the best answer: When current flows from a battery's positive terminal, through the circuit, and then back to the battery's negative terminal, that is _____. → **direct current**
10. Choose the best answer: If a machine utilized 1,502 watts and the current that ran through it was 14 amperes, what voltage was applied? → **107 V** (Since Power = Voltage × Current → V = Power / Current = 1502 W / 14 A)
11. Choose the best answer: One pole's attraction for another on a magnet creates lines of _____ between the poles. → **force**
12. Match with the correct unit of measure: Unit of electric potential 1 joule of energy per coulomb of charge, J/C → **volt**
13. Match with the correct unit of measure: SI unit of electric charge; the amount of electric charge by a current of one amp in 1 second. → **coulomb**
14. Choose the best answer: Ohm's law is written as _____. → V = I × R (Voltage = Current × Resistance)
15. Choose the best answer: What units are used to measure an electrical system's current? → **amperes (amps)**
16. Choose the best answer: Since a magnet has a north and a south pole it is _____. → **dipolar**
17. Choose the best answer: Conventional current flows _____. → **from positive to negative**
18. Choose the best answer: The amount of power delivered by a circuit carrying one ampere of current with a one-volt difference in one second is measured in watts and is called ____. → **electric power**
19. Choose the best answer: To limit a current by impeding the flow of charges, _____ are installed. → **resistors**
20. Choose the best answer: A system's resistance is measured in _____. → **ohms**
21. Choose the best answer: A conductor has low _____ while an insulator has high resistance. → **resistance**
22. Choose the best answer: The rate at which electric _____ move through a conductor is the current. → **charges**
23. Choose the best answer: Certain _____ are better conductors than others. → **metals**
24. Choose the best answer: If you want a material that an electric current can go through, you use a(n) _____. → **conductor**
25. Choose the best answer: A protective device called a ______ has a conductor that burns through if a circuit is overloaded. → **fuse**
26. Choose the best answer: If too many appliances are attached to one electric circuit you risk overloading the circuit due to _____. → **excess current**
27. Match with the correct unit of measure: Unit of power = 1 joule per second → **watt**
28. Choose the best answer: Four electrical components in a(n) _____ circuit possess four different complete circuits. → **parallel**
29. Choose the best answer: If the switch in an electrical circuit is turned ON in an electric train's circuit, the circuit is _____ and the charges are running through the circuit. → **closed**
30. Choose the best answer: A material that resists an electric current from passing through it is a(n) _____. → **insulator**
31. Choose the best answer: When the electric potential in a generator shifts back and forth _____ is created. → **alternating current**
32. Choose the best answer: To measure a system's electrical potential you use _____. → **volts**
33. Choose the best answer: A circuit's _____ is affected by the material type, the conducting wire's length and width, the temperature of the materials in the circuit, plus the components that are added to the circuit. → **resistance**
Feel free to ask if you have more questions or need further explanations!
1. Just as electric charges, opposite poles in magnets **attract** each other.
2. Match with the correct unit of measure: SI unit of current = 1 C/s → **ampere**
3. Choose the best answer: An electrical circuit is opened when a _____ senses an overloaded circuit. → **circuit breaker**
4. Match with the correct unit of measure: Unit of electrical resistance = resistance between two points of a conductor when a constant potential difference of 1 volt, applied to these points, produces a current of 1 ampere in the conductor → **ohm**
5. Choose the best answer: One light bulb in a set of Christmas lights goes out and the entire set quits working because the light bulbs are in a(n) _____ circuit. → **series**
6. Choose the best answer: If the switch in an electrical circuit is turned OFF in a lamp's circuit, the circuit is _____ and the charges are not running through the circuit. → **opened**
7. Match with the correct unit of measure: SI Unit of capacitance the charge in coulomb that a capacitor will accept for the potential across it to change 1 volt → **farad**
8. Choose the best answer: Explain why high voltage power lines are more efficient than lower voltage lines carrying the same power. → **The I²R losses are less because the current is less for the same amount of power.**
9. Choose the best answer: When current flows from a battery's positive terminal, through the circuit, and then back to the battery's negative terminal, that is _____. → **direct current**
10. Choose the best answer: If a machine utilized 1,502 watts and the current that ran through it was 14 amperes, what voltage was applied? → **107 V** (Since Power = Voltage × Current → V = Power / Current = 1502 W / 14 A)
11. Choose the best answer: One pole's attraction for another on a magnet creates lines of _____ between the poles. → **force**
12. Match with the correct unit of measure: Unit of electric potential 1 joule of energy per coulomb of charge, J/C → **volt**
13. Match with the correct unit of measure: SI unit of electric charge; the amount of electric charge by a current of one amp in 1 second. → **coulomb**
14. Choose the best answer: Ohm's law is written as _____. → V = I × R (Voltage = Current × Resistance)
15. Choose the best answer: What units are used to measure an electrical system's current? → **amperes (amps)**
16. Choose the best answer: Since a magnet has a north and a south pole it is _____. → **dipolar**
17. Choose the best answer: Conventional current flows _____. → **from positive to negative**
18. Choose the best answer: The amount of power delivered by a circuit carrying one ampere of current with a one-volt difference in one second is measured in watts and is called ____. → **electric power**
19. Choose the best answer: To limit a current by impeding the flow of charges, _____ are installed. → **resistors**
20. Choose the best answer: A system's resistance is measured in _____. → **ohms**
21. Choose the best answer: A conductor has low _____ while an insulator has high resistance. → **resistance**
22. Choose the best answer: The rate at which electric _____ move through a conductor is the current. → **charges**
23. Choose the best answer: Certain _____ are better conductors than others. → **metals**
24. Choose the best answer: If you want a material that an electric current can go through, you use a(n) _____. → **conductor**
25. Choose the best answer: A protective device called a ______ has a conductor that burns through if a circuit is overloaded. → **fuse**
26. Choose the best answer: If too many appliances are attached to one electric circuit you risk overloading the circuit due to _____. → **excess current**
27. Match with the correct unit of measure: Unit of power = 1 joule per second → **watt**
28. Choose the best answer: Four electrical components in a(n) _____ circuit possess four different complete circuits. → **parallel**
29. Choose the best answer: If the switch in an electrical circuit is turned ON in an electric train's circuit, the circuit is _____ and the charges are running through the circuit. → **closed**
30. Choose the best answer: A material that resists an electric current from passing through it is a(n) _____. → **insulator**
31. Choose the best answer: When the electric potential in a generator shifts back and forth _____ is created. → **alternating current**
32. Choose the best answer: To measure a system's electrical potential you use _____. → **volts**
33. Choose the best answer: A circuit's _____ is affected by the material type, the conducting wire's length and width, the temperature of the materials in the circuit, plus the components that are added to the circuit. → **resistance**
Feel free to ask if you have more questions or need further explanations!