Electrical Energy Properties Quick Check
1 of 41 of 4 Items
Question
Use the information in the table about four different electric circuits to answer the question.
Circuit Resistance (ohms) Voltage (V)
1 0.5 20
2 0.5 40
3 0.25 40
4 0.25 60
Which circuit will have the greatest electric current?
(1 point)
Responses
circuit 3
circuit 3
circuit 2
circuit 2
circuit 4
circuit 4
circuit 1
7 answers
circuit 4
Electrical Energy Properties Quick Check
2 of 42 of 4 Items
Question
Circuit A has a resistance of 7.5 ohms, and circuit B has a resistance of 5 ohms. Which statement about the circuits must be correct?(1 point)
Responses
If the voltage of circuit A is equal to the voltage of circuit B, then the current in circuit A is less than the current in circuit B.
If the voltage of circuit A is equal to the voltage of circuit B, then the current in circuit A is less than the current in circuit B.
If the current in circuit A is equal to the current in circuit B, then the voltage in circuit A is less than the voltage in circuit B.
If the current in circuit A is equal to the current in circuit B, then the voltage in circuit A is less than the voltage in circuit B.
If the current in circuit A is less than the current in circuit B, then the voltage in circuit A is less than the voltage in circuit B.
If the current in circuit A is less than the current in circuit B, then the voltage in circuit A is less than the voltage in circuit B.
If the voltage of circuit A is equal to the voltage of circuit B, then the current in circuit A is equal to the current in circuit B.
If the voltage of circuit A is equal to the voltage of circuit B, then the current in circuit A is equal to the current in circuit B.
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2 of 42 of 4 Items
Question
Circuit A has a resistance of 7.5 ohms, and circuit B has a resistance of 5 ohms. Which statement about the circuits must be correct?(1 point)
Responses
If the voltage of circuit A is equal to the voltage of circuit B, then the current in circuit A is less than the current in circuit B.
If the voltage of circuit A is equal to the voltage of circuit B, then the current in circuit A is less than the current in circuit B.
If the current in circuit A is equal to the current in circuit B, then the voltage in circuit A is less than the voltage in circuit B.
If the current in circuit A is equal to the current in circuit B, then the voltage in circuit A is less than the voltage in circuit B.
If the current in circuit A is less than the current in circuit B, then the voltage in circuit A is less than the voltage in circuit B.
If the current in circuit A is less than the current in circuit B, then the voltage in circuit A is less than the voltage in circuit B.
If the voltage of circuit A is equal to the voltage of circuit B, then the current in circuit A is equal to the current in circuit B.
If the voltage of circuit A is equal to the voltage of circuit B, then the current in circuit A is equal to the current in circuit B.
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If the current in circuit A is less than the current in circuit B, then the voltage in circuit A is less than the voltage in circuit B.
Electrical Energy Properties Quick Check
3 of 43 of 4 Items
Question
Which statement best defines the resistance of an electric circuit?(1 point)
Responses
It describes how much electrical energy passes in a circuit.
It describes how much electrical energy passes in a circuit.
It is the amount of electrical energy that is available in a circuit.
It is the amount of electrical energy that is available in a circuit.
It is the measurement of the rate of electrical energy in a circuit.
It is the measurement of the rate of electrical energy in a circuit.
It limits the amount of electrical energy that can pass through a circuit.
3 of 43 of 4 Items
Question
Which statement best defines the resistance of an electric circuit?(1 point)
Responses
It describes how much electrical energy passes in a circuit.
It describes how much electrical energy passes in a circuit.
It is the amount of electrical energy that is available in a circuit.
It is the amount of electrical energy that is available in a circuit.
It is the measurement of the rate of electrical energy in a circuit.
It is the measurement of the rate of electrical energy in a circuit.
It limits the amount of electrical energy that can pass through a circuit.
It limits the amount of electrical energy that can pass through a circuit.
An electric circuit has an expected current of 80 amps. An electrician measures the current in the circuit at 120 amps. Which statement provides a possible explanation for this observation?(1 point)
Responses
A resistor in the circuit is broken.
A resistor in the circuit is broken.
There is not enough voltage in the circuit.
There is not enough voltage in the circuit.
The circuit has an extra resistor.
The circuit has an extra resistor.
There is not enough electrical energy in the circuit.
Responses
A resistor in the circuit is broken.
A resistor in the circuit is broken.
There is not enough voltage in the circuit.
There is not enough voltage in the circuit.
The circuit has an extra resistor.
The circuit has an extra resistor.
There is not enough electrical energy in the circuit.
A resistor in the circuit is broken.
3 answers