Electric Potential and Capacitance

Electric Potential and Capacitance

11th - 12th Grade

8 Qs

quiz-placeholder

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Electric Potential and Capacitance

Electric Potential and Capacitance

Assessment

Quiz

Physics

11th - 12th Grade

Hard

Created by

Michael Frankenhoff

Used 25+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Two positive charges of magnitude q are each a distance d from the origin A of a coordinate system as shown above. At which of the following points is the electric potential greatest in magnitude?

A

B

C

D

E

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The figure above shows two particles, each with a charge of +Q, that are located at the opposite corners of a square of side d. What is the potential energy of a particle of charge +q that is held at point P ?

Zero

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A positive charge of 3.0 × 10–8 coulomb is placed in an upward directed uniform electric field of 4.0 × 104 N/C. When the charge is moved 0.5 meter upward, the work done by the electric force on the charge is

6 × 10–4 J

12 × 10–4 J

2 × 104 J

8 × 104 J

12 × 104 J

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The diagram below shows equipotential lines produced by an unknown charge distribution. A, B, C, D, and E are points in the plane. Which vector below best describes the direction of the electric field at point A ?

Media Image
Media Image
Media Image
Media Image

None of these, the field is zero

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The diagram below shows equipotential lines produced by an unknown charge distribution. A, B, C, D, and E are points in the plane. At which point does the electric field have the greatest magnitude?

A

B

C

D

E

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A particle of charge Q and mass m is accelerated from rest through a potential difference V, attaining a kinetic energy K. What is the kinetic energy of a particle of charge 2Q and mass m/2 that is accelerated from rest through the same potential difference?

1/4 K

1/2 K

K

2K

4K

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Two parallel conducting plates, separated by a distance d, are connected to a battery of emf ε. Which of the following is correct if the plate separation is doubled while the battery remains connected?

The electric charge on the plates is doubled.

The electric charge on the plates is halved.

The potential difference between the plates is doubled.

The potential difference between the plates is halved

The capacitance is unchanged.

8.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The capacitance of a parallel-plate capacitor can be increased by increasing which of the following?

The distance between the plates

The charge on each plate

The area of the plates

The potential difference across the plates

None of the above