A charge of `0.33xx10^(-7) C` is brought in an electric field. It experiences a force of `1.0xx10^(-5)` N. Find the intensity of the electric field at this point.

A force of 2.25 N acts on a charge of 15xx10^(-4)C . The intensity of electric field at that point is

The energy density at a point in vacuum is 1.77xx10^(-7)J//m^(3) . The intensity of the electric field at the point is

A point charge is brought in an electric field. The electric field at a near by point

A potential barrier of 0.50 V exists across a P-N juntion. If the depletion region is 5.10xx10^(-7)m wide, the intensity of the electric field in this region is

A potential barrier of 0.50 V exists across a P-N junction. If the depletion region is 5.0xx10^(-7)m , wide the intensity of the electric field in this region is

A Water of mass 3.2xx10^(-18)kg and carrying a charge of 1.6xx10^(-19)C is suspended stationary betwaeen two plates of an electric field. Given g=10 m//s^(2) , the intensity of the electric field required is

A charged water drop of weight 4 xx 10^(-18) kg and charge 1.6 xx 10^(-19) C is stable in an electric field . What is the intensity of electric field

An electric dipole of length 10cm having charges +- 6xx10^(-3) C , placed at 30^(@) with respect to a uniform electric field experiences a torque of magnitude 6 sqrt(3) N-m . Calculate (i) magnitude of electric field (ii) the potential energy of dipole.