Electrostatics

This Electrostatics test is designed for IIT JEE aspirants to assess and strengthen their understanding of core concepts in electric charge, field, potential, flux, dipoles, and capacitors. It contains 2 tests with 10 single correct multiple-choice questions, each with four options and detailed answers provided for self-evaluation. The questions range from theoretical fundamentals to practical applications, ensuring comprehensive coverage of the topic. This test helps students practice problem-solving techniques, improve accuracy, and build confidence for competitive exams. Ideal for revision and timed practice, it serves as a valuable resource for mastering electrostatics and identifying areas that need further attention.

Electrostatics (Test 1)

1 / 10

Two point charges +q and –q are placed at a distance d. What is the electric dipole moment?

2 / 10

The force between two charges is 36 N. If the distance between them is doubled, what will be the new force?

3 / 10

The electric field due to a point charge is inversely proportional to:

4 / 10

A charge of +2 μC is placed in an electric field of 3 × 10⁵ N/C. What is the force on the charge?

5 / 10

The SI unit of electric flux is:

6 / 10

A spherical conductor of radius R carries a charge Q. The electric field just outside the surface is:

7 / 10

The potential at a point due to a point charge is 100 V. If the distance is doubled, the new potential is:

8 / 10

The work done in moving a charge around a closed path in an electrostatic field is:

9 / 10

A dipole is placed in a uniform electric field. The torque acting on it is maximum when the angle between dipole and field is:

10 / 10

The electric field inside a conductor is:

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Electrostatics (Test 2)

1 / 10

A charge q is placed at the center of a cube. The flux through one face of the cube is:

2 / 10

The energy stored in a capacitor is given by:

3 / 10

The capacitance of a parallel plate capacitor increases if:

4 / 10

The force between two charges in vacuum is F. If a dielectric of constant K is introduced, the force becomes

5 / 10

The electric potential due to a dipole at a point on its axial line is proportional to:

6 / 10

A capacitor is charged and then disconnected from the battery. If the plates are pulled apart, the potential difference

7 / 10

The unit of electric field is:

8 / 10

The electric field due to a uniformly charged spherical shell inside the shell is:

9 / 10

The potential energy of a system of two charges q₁ and q₂ separated by distance r is:

10 / 10

The electric field at the surface of a conductor is:

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