Electric Potential

Q. If the electric potential at a point is 150 V and the electric field is uniform, what is the potential difference over a distance of 3 m?
  • A. 50 V
  • B. 150 V
  • C. 100 V
  • D. 200 V
Q. If the electric potential at a point is 200 V and a charge of -1 C is placed at that point, what is the potential energy?
  • A. -200 J
  • B. 200 J
  • C. 0 J
  • D. 100 J
Q. If the electric potential at a point is 200 V and the electric field is uniform, what is the work done in moving a charge of 0.5 C to that point?
  • A. 100 J
  • B. 200 J
  • C. 50 J
  • D. 0 J
Q. If the electric potential at a point is 200 V and the electric field is uniform, what is the work done in moving a charge of 0.5 C to a point where the potential is 100 V?
  • A. 50 J
  • B. 100 J
  • C. 200 J
  • D. 0 J
Q. If the electric potential at a point is 300 V and a charge of 3 C is placed at that point, what is the force acting on the charge?
  • A. 900 N
  • B. 300 N
  • C. 0 N
  • D. None of the above
Q. If the electric potential at a point is 300 V and the electric field is uniform, what is the work done in moving a charge of 3 μC to a point where the potential is 600 V?
  • A. 0.9 mJ
  • B. 0.6 mJ
  • C. 0.3 mJ
  • D. 1.2 mJ
Q. If the electric potential at a point is 50 V and the electric field strength is 5 N/C, what is the distance from the point to the reference point where the potential is zero?
  • A. 10 m
  • B. 5 m
  • C. 25 m
  • D. 50 m
Q. If the electric potential at a point is increased from 5 V to 15 V, what is the change in potential energy of a charge of 3 C placed at that point?
  • A. 30 J
  • B. 15 J
  • C. 10 J
  • D. 5 J
Q. If the electric potential at a point is increased, what happens to the electric field at that point?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Cannot be determined
Q. If the electric potential at a point is increased, what happens to the work done by an external force on a positive charge moved to that point?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Cannot be determined
Q. If the electric potential at point A is 10 V and at point B is 5 V, what is the work done by the electric field in moving a charge from A to B?
  • A. 5 J
  • B. 10 J
  • C. 15 J
  • D. 0 J
Q. If the electric potential at point A is 15 V and at point B is 5 V, what is the potential difference between A and B?
  • A. 10 V
  • B. 15 V
  • C. 5 V
  • D. 20 V
Q. If the electric potential at point A is 5 V and at point B is 15 V, what is the work done by the electric field in moving a charge of 2 C from A to B?
  • A. -20 J
  • B. 20 J
  • C. 10 J
  • D. 30 J
Q. If the electric potential at point A is 5 V and at point B is 15 V, what is the potential difference between A and B?
  • A. -10 V
  • B. 10 V
  • C. 5 V
  • D. 15 V
Q. If the electric potential in a region is constant, what can be said about the electric field in that region?
  • A. It is zero
  • B. It is constant
  • C. It varies linearly
  • D. It is maximum
Q. If two point charges are brought closer together, what happens to the electric potential energy of the system?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. In a parallel plate capacitor, if the distance between the plates is doubled while keeping the charge constant, what happens to the electric potential?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. In a uniform electric field, how does the electric potential change with distance?
  • A. Linearly
  • B. Quadratically
  • C. Exponentially
  • D. Remains constant
Q. In a uniform electric field, the potential difference between two points is directly proportional to what?
  • A. Distance between the points
  • B. Magnitude of the electric field
  • C. Both A and B
  • D. None of the above
Q. In a uniform electric field, the potential difference between two points is given by which formula?
  • A. V = Ed
  • B. V = E/d
  • C. V = d/E
  • D. V = E × d
Q. In a uniform electric field, the potential difference between two points is given by which of the following?
  • A. E × d
  • B. E/d
  • C. d/E
  • D. E + d
Q. The work done in moving a charge from a point A to point B in an electric field is equal to the change in what?
  • A. Electric potential energy
  • B. Electric potential
  • C. Electric field strength
  • D. Charge
Q. Two point charges of +3 μC and -3 μC are placed 1 m apart. What is the electric potential at the midpoint?
  • A. 0 V
  • B. 9 × 10^9 V
  • C. 4.5 × 10^9 V
  • D. None of the above
Q. Two point charges, +Q and -Q, are placed at a distance d apart. What is the electric potential at the midpoint between the charges?
  • A. 0
  • B. kQ/d
  • C. kQ/2d
  • D. kQ/d²
Q. Two point charges, +Q and -Q, are placed at a distance d apart. What is the electric potential at the midpoint between them?
  • A. 0
  • B. kQ/d
  • C. kQ/2d
  • D. kQ/4d
Q. What happens to the electric potential as you move away from a positive charge?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes negative
Q. What happens to the electric potential energy of a charge when it moves against an electric field?
  • A. It increases
  • B. It decreases
  • C. It remains constant
  • D. It becomes zero
Q. What happens to the electric potential energy of a system of charges when they are brought closer together?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes zero
Q. What is the electric potential at a distance of 3 m from a charge of 10 μC?
  • A. 3000 V
  • B. 9000 V
  • C. 6000 V
  • D. 1000 V
Q. What is the electric potential at a distance of 4 m from a charge of 8 μC? (2000)
  • A. 4500 V
  • B. 1800 V
  • C. 2000 V
  • D. None of the above
Showing 31 to 60 of 84 (3 Pages)
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