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This mock test of Electric Potential MCQ Level - 1 for Class 12 helps you for every Class 12 entrance exam.
This contains 25 Multiple Choice Questions for Class 12 Electric Potential MCQ Level - 1 (mcq) to study with solutions a complete question bank.
The solved questions answers in this Electric Potential MCQ Level - 1 quiz give you a good mix of easy questions and tough questions. Class 12
students definitely take this Electric Potential MCQ Level - 1 exercise for a better result in the exam. You can find other Electric Potential MCQ Level - 1 extra questions,
long questions & short questions for Class 12 on EduRev as well by searching above.

QUESTION: 1

An electric field is expressed as . Find the potential diference (V_{A}-VB) between two points A and B whose position vectors are given by and

Solution:

QUESTION: 2

The potential function of an electrostatic field is given by V = 2x^{2}. Determine the electric field strength at the point (2 m, 0.3 m).

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QUESTION: 3

Figure shows equipotential surfaces concentric at O, the magnitude of electric field at a distance r measured from O is

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QUESTION: 4

The electric field in a certain region is A/x^{3}. Then the potential at a point (x, y, z) assuming the potential at infinity to be zero is

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QUESTION: 5

Find the potential V of an electrostatic field , where a is constant.

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QUESTION: 6

Consider a system of three charge q/3, q/3 and -2q/3 placed at points A, B and C respectively as shown in figure. Take O to be the circle of radius R and angle CAB = 60^{0}.

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QUESTION: 7

Two equal positive charges are kept at points A and B. The electric potential at the points between A and B (excluding these points) is studied while moving from A to B. The potential

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QUESTION: 8

Figure shows three paths along which we can move positively charged sphere A closer to positively charged sphere B which is fixed in a plane. if W_{1}, W_{2} and W_{3} are the work done along the three respective paths, then

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QUESTION: 9

The work done in moving an electron of charge e and mass m from A to B along the circular path (shown in figure) in the vertical plane in the field of charge Q is

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QUESTION: 10

Four similar point charges q are located at the vertices of a tetrahedron with an edge a. The energy of the interaction of charges is :

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QUESTION: 11

In the electric field of a point charge q, a certain charge is carried from point A to B, C, D and E. Then the work done

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QUESTION: 12

Four equal charges Q are placed at the four corners of a square of each side is a. Work done in removing a charge -Q from its centre of infinity is

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QUESTION: 13

Ten electrons are equally spaced and fixed around a circle of radius R. Relative to V = 0 at infinity, the electrostatic potential V and the electric field E at the centre C are

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QUESTION: 14

The displacement of a charge Q in the electric field The work done is

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QUESTION: 15

Three charges Q + q and +q are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if Q is equal to

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QUESTION: 16

Electric potential at any point is , then the magnitude of the electric field is

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QUESTION: 17

Equipotential surfaces associated with an electric field which is increasing in magnitude along the x-direction are.

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QUESTION: 18

Figure shown three points A, B and C in a region of uniform electric field The line AB is perpendicular and BC is parallel to the field lines. Then which of the following holds good. Where V_{A}, V_{B} and V_{C }represent the electric potential at points A, B and C respectively

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QUESTION: 19

A charge +q is fixed at each of the points x = x_{0}, x = 3x_{0}, x = 5x_{0}....... infinite, on the x-axis and a charge -q is fixed at each of the points x = 2x_{0}, x = 4x_{0}, x = 6x_{0}..... infinite. Here x_{0} is a positive constant. Take the electric potential at a point due to a charge Q at a distance r from it to be Then, the potential at the origin due to the above system of charges is

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QUESTION: 20

A non-conducting ring of radius 0.5 m carries a total charge of 1.11×10^{-10}C distributed non-uniformly on its circumference producing an electric field everywhere in space. The value of the line integral being centre of the ring) in volts is

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QUESTION: 21

A charged particle q is shot towards another charged particle Q which is fixed, with a speed v. It approaches Q upto a closest distance r and then returns. if q were given a speed 2v, the closest distances of approach would be

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QUESTION: 22

The electric potential at a point distant r from an electric dipole is proportional to

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QUESTION: 23

In the electric field of a point charge q shown, a charge is carried from A to B and from A to C. Compare the work done

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QUESTION: 24

The potential at a point x (measured in μm) due to some charges situated on the X-axis is given by

The electric field E at x = 4 μm is given by :

Solution:

QUESTION: 25

The electric potential at a point (x, y, z) is given by

The electric field at that point is :

Solution:

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