Electric Field & Flux Mock Tests

An electric dipole with dipole moment p = 4 × 10⁻⁹ C·m is aligned at an angle of 30° with a uniform electric field of magnitude 5 × 10⁴ N/C. The magnitude of the torque on the dipole is:

An electric dipole with dipole moment p is placed in a uniform electric field E. The maximum torque experienced by the dipole is:

Infinite sheet of charge, surface density σ. Electric field near sheet:

An infinite line charge produces an electric field of 8.1 × 10⁴ N/C at a distance of 2 cm from it. The linear charge density of the infinite line charge is:

An electric dipole of moment 4 × 10⁻⁸ C·m is placed at 30° to an electric field of 5 × 10⁴ N/C. The torque on the dipole is:

A charged particle moves in a uniform electric field. If the particle has mass m and charge q, and starts from rest, its kinetic energy after time t is:

Two identical positive charges are placed at a distance d apart. The electric field at the midpoint between them is:

A charged particle moves in a uniform electric field. Starting from rest, its KE after time t is: