Electric Field & Flux Mock Tests

An infinite sheet of charge has surface charge density σ. The electric field at a point near the sheet is:

Proton and electron in uniform E-field. Ratio a_p/a_e:

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

A point charge +q is placed at the centre of a spherical Gaussian surface of radius R. If the radius is doubled, the electric flux through the surface:

An electric dipole with dipole moment p = 6 × 10⁻⁶ C·m is placed in a uniform electric field of 10⁵ N/C. The maximum torque experienced by the dipole is:

The SI unit of electric dipole moment 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: