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  1. AP Physics C E M
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Electrostatics

Question 1
college-boardPhysics C: E&MAPExam Style
1 mark

How does Coulomb’s Law adjust when considering two equal but opposite charges separated by distance r in vacuum?

Question 2
college-boardPhysics C: E&MAPExam Style
1 mark

In a parallel plate capacitor filled with dielectric material, what happens to its capacitance if the thickness of the dielectric material doubles while its permittivity and area remain constant?

Question 3
college-boardPhysics C: E&MAPExam Style
1 mark

A positive charge is placed at the origin, what is the direction of the electric field vector at a point on the positive x-axis?

Question 4
college-boardPhysics C: E&MAPExam Style
1 mark

What happens to electric potential energy when two opposite charges that are stationary begin moving toward each other?

Question 5
college-boardPhysics C: E&MAPExam Style
1 mark

If you tripled both voltage and resistance across a simple electric circuit, what would be the effect on power dissipation?

Question 6
college-boardPhysics C: E&MAPExam Style
1 mark

A solenoid has n turns per unit length, carries current I creating magnetic field strength H inside; if another wire carrying current I' encircles solenoid n' times per unit length co-axially without touching what will be new magnetic field strength within solenoid assuming I'=I/10 and n'=n/5?

Question 7
college-boardPhysics C: E&MAPExam Style
1 mark

A volt meter is used to measure potential difference; where should you place it in your experiment setup?

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Question 8
college-boardPhysics C: E&MAPExam Style
1 mark

If a non-conducting disk of radius R rotates with angular velocity ω in the presence of a uniform magnetic field B perpendicular to the disk, what is the induced electric field E at a distance r from the center (r < R) due to this rotation?

Question 9
college-boardPhysics C: E&MAPExam Style
1 mark

How does increasing dielectric strength affect capacitance when two parallel plates are separated by dielectric material?

Question 10
college-boardPhysics C: E&MAPExam Style
1 mark

Which component would you use separately to create oscillating current?