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Questions (120)
How does increasing the distance between charged objects affect the electric force between them?
a- The electric force increases
1 answer
142 views
Three light bulbs are connected in a series, as shown in the diagram.
After the circuit is completed, the middle light bulb
1 answer
226 views
Crystal's class is studying parallel circuits. The teacher asks what will happen if one of the light bulbs break in a parallel
1 answer
181 views
An electric flashlight can be charged by turning a crank. Identify the types and order of energy changes happening.
a- Mechanical
1 answer
184 views
What is another name for an object that uses up the electrical energy in a circuit?
a- Source b- Wire c- Load d- Battery
1 answer
115 views
What is the energy conversion that happens inside a battery?
a- Electrical Energy to Kinetic Energy b- Kinetic Energy to
1 answer
191 views
The drawing shows a student holding two negatively charged balloons.
What is most likely to occur if the student brings the
1 answer
250 views
If the distance between two objects is doubled, what happens to the gravitational force between them?
a- it stays the same b- it
1 answer
105 views
The diagram shows a wooden racetrack with a 500-g car positioned at the top of a slope.
Which energy conversion takes place as
1 answer
220 views
A car radio with a resistance of 15 ohms draws a current of 0.87 amperes. What is the voltage of the car battery?
a- 17 volts b-
1 answer
291 views
Which of the following would decrease the flow of current through the lights in the circuit shown above?
a- Decreasing the
1 answer
209 views
In a parallel circuit with three lights on it, one light breaks. What happens to the intensity of the other two lights?
a- they
1 answer
164 views
Which is NOT an advantage of a series circuit?
a- They do not require a complicated pattern of wires to create. b- They are
1 answer
250 views
Which of the following determines if a material is a conductor or an insulator?
a- proton movement b- number of protons c-
1 answer
205 views
What materials generally act as a good conductors?
a- Metals b- Organics c- Gases d- Nonmetals
1 answer
134 views
The surface of a heated metal object measures 120°C. It is dropped into a bucket filled with water measuring 10°C.
Which of the
1 answer
194 views
List two of the differences between parallel and series circuits.
Your answer:
1 answer
112 views
Avery is experimenting with a simple circuit. She measures the current in the circuit three different times with a different
1 answer
169 views
Which of the following statements regarding electric insulators is correct?
a- Electric insulators are good heat conductors. b-
1 answer
218 views
In a copper wire, the flow of current is made up of which of the following?
a- neutrons b- electrons c- ions d- protons
1 answer
135 views
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