A point charge q having mass m is placed at rest at point A at distance r from a short dipole of dipole moment P as shown in the figure.The initial acceleration of charge is a = n k P q/ 2 m r 3 ( k = 1/ 4 π ɛ 0 ) . Value of n is ?

A point negative charge -Q is placed at a distance r from a dipole with dipole moment P in the xy plane as shown in fig. The x-component of force acting on the charge-Q is

A point charge +Q is placed at a distance r from a short dipole of dipole moment vecp as shown in figure. The line joining the point charge Q to the centre dipole is perpendicular to dipole moment vecp , which of the following statement are true?

A short dipole of dipole moment P is placed near a point charge Q as shown in figure. Find force on the dipole due to the point charge

A short dipole of dipole moment P is placed near a point charge Q as shown in figure. Find force on the dipole due to the point charge

A charge q is moved from a point A above a dipole moment p to a point B below the dipole on equatorial plane without acceleration. Find the work done in the process.

The variation of potential with distance R from a fixed point is as shown below. A charge - q is put at R = 3 m and released. The charge will

An uncharged metallic solid sphere of radius R is placed at a distance 2R from point charge Q as shown in figure. The electric field intensity due to induced charge at centre of sphere is

Three charges of (+2q), (-q) and (-q) are placed at the corners A,B and C of an equilateral triangle of side a as shown in the adjoining figure. Then the dipole moment of this combination is

Find force on short dipole P_(2) due to short dipole P_(1) if they are placed a distance r apart a shown in figure.

Find force on short dipole P_(2) due to short dipole P_(1) if they are placed at a distance r a part shown in figure.