AP Physics B - Electric Circuits

1

A charge travels along a copper wire that has a resistance of $\small 200\Omega$ . It takes two seconds for the charge to travel along the wire. The potential difference in the wire is $\small 10V$ . What is the charge of the particle?

2

A charge travels along a copper wire that has a resistance of $\small 200\Omega$ . It takes two seconds for the charge to travel along the wire. The potential difference in the wire is $\small 10V$ . What is the charge of the particle?

3

Which of the following changes to a copper wire will lead to the greatest decrease in voltage?

4

Which of the following changes to a copper wire will lead to the greatest decrease in voltage?

5

A student assembles a circuit made up of a voltage source and two resistors. All three circuit elements are connected in parallel. The voltage across the voltage source is $\small 4V$ and the resistance of the resistors are $\small 2\Omega$ and $\small 4\Omega$ respectively. Which of the following is true of this circuit?

6

A student assembles a circuit made up of a voltage source and two resistors. All three circuit elements are connected in parallel. The voltage across the voltage source is $\small 4V$ and the resistance of the resistors are $\small 2\Omega$ and $\small 4\Omega$ respectively. Which of the following is true of this circuit?

7

A capacitor has a stored charge of and a potential energy of . What is the voltage across the capacitor?

8

A capacitor has a stored charge of and a potential energy of . What is the voltage across the capacitor?

9

A student assembles a circuit made up of a voltage source and two resistors. All three circuit elements are connected in series. If the voltage across the voltage source is $\small 4V$ and the resistance of the resistors are $\small 2\Omega$ and $\small 4\Omega$ respectively, what is current through the second resistor?

10

Which of the following is not equivalent to a unit of power?

Electric Circuits

Practice Questions