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?
Electric Potential and Capacitance

Quiz
•
Physics
•
11th - 12th Grade
•
Hard
Michael Frankenhoff
Used 25+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A
B
C
D
E
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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
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
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 ?
None of these, the field is zero
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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
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