Electric Circuits

Practice Questions

AP Physics C Electricity & Magnetism › Electric Circuits

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1

If two identical parallel plate capacitors of capacitance are connected in series, which is true of the equivalent capacitance, ?

2

If two identical parallel plate capacitors of capacitance are connected in series, which is true of the equivalent capacitance, ?

3

If two identical parallel plate capacitors of capacitance are connected in series, which is true of the equivalent capacitance, ?

4

Two parallel conducting plates each have an area of and are separated by a distance, . One plate has a charge evenly distributed across it, and the other has a charge of . A proton (charge ) is initially held near the positive plate, then released such that it accelerates towards the negative plate. How much kinetic energy has the proton gained in this process?

5

Two parallel conducting plates each have an area of and are separated by a distance, . One plate has a charge evenly distributed across it, and the other has a charge of . A proton (charge ) is initially held near the positive plate, then released such that it accelerates towards the negative plate. How much kinetic energy has the proton gained in this process?

6

Two parallel conducting plates each have an area of and are separated by a distance, . One plate has a charge evenly distributed across it, and the other has a charge of . A proton (charge ) is initially held near the positive plate, then released such that it accelerates towards the negative plate. How much kinetic energy has the proton gained in this process?

7

A parallel plate capacitor has a capacitance of . If the plates are apart, what is the area of the plates?

8

Charge is distributed uniformly over the area of the two plates of a parallel plate capacitor, resulting in a surface area charge density of on the plates (the top plate is positive and the bottom is negative, as shown below). Each plate has area and are separated by distance . A material of dielectric constant has been placed between the two plates.

Ps0_capacitor

Which of the following would not result in an increase in the measure of electric potential difference between the two plates?

9

Charge is distributed uniformly over the area of the two plates of a parallel plate capacitor, resulting in a surface area charge density of on the plates (the top plate is positive and the bottom is negative, as shown below). Each plate has area and are separated by distance . A material of dielectric constant has been placed between the two plates.

Ps0_capacitor

Which of the following would not result in an increase in the measure of electric potential difference between the two plates?

10

A parallel plate capacitor has a capacitance of . If the plates are apart, what is the area of the plates?

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