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Conductors and Capacitors

Question 1
Physics C: E&M (2025)APConcept Practice
1 mark

Two conductors of different sizes are brought into contact. Which quantity must be the same for both conductors once they are in electrostatic equilibrium?

Question 2
Physics C: E&M (2025)APConcept Practice
1 mark

When two conducting spheres with different radii are connected by a conducting wire, and a net charge is present on the two-sphere system, which of the following is true?

Question 3
Physics C: E&M (2025)APConcept Practice
1 mark

Three irregularly shaped conductors are brought into contact until electrostatic equilibrium is reached. Which statement best describes the charge distribution?

Question 4
Physics C: E&M (2025)APConcept Practice
1 mark

What is the electric potential of a conductor connected to ground?

Question 5
Physics C: E&M (2025)APConcept Practice
1 mark

A positively charged conductor is connected to ground. What occurs?

Question 6
Physics C: E&M (2025)APConcept Practice
1 mark

A complex circuit contains several capacitors and a switch that, when closed, connects a point in the circuit to ground. Before the switch is closed, that point has a non-zero potential. After the switch is closed, what happens to the charge distribution in the circuit?

Question 7
Physics C: E&M (2025)APConcept Practice
1 mark

A neutral, grounded conductor is brought near a positively charged object. What is the polarity of the induced charge on the side of the conductor closest to the charged object?

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Question 8
Physics C: E&M (2025)APConcept Practice
1 mark

A point charge +q is placed near a grounded conducting sphere. What happens to the charge distribution on the sphere?

Question 9
Physics C: E&M (2025)APConcept Practice
1 mark

A non-uniform external electric field is applied to a grounded conductor with a complex shape. Which of the following is true regarding the induced charge distribution?