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=(nkPq)/(2mr^(3)) (k=(1)/(4 pi varepsilon_(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

Three charges -q +q and +q are placed at the corner of the equilateral triangle of side a as shown in the figure.The net electric potential at the centroid of the triangle will be (k=(1)/(4 pi varepsilon_(0)))

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?

What is the electric potential at a point P, distance r from the mid-point of ann electric dipole of moment p(=2aq) ?

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

Electric charges -q -q -q and 3q are placed at the corners of a square ABCD of length 1 as shown in figure.The magnitude of electric dipole moment of the system is

A charge +Q is uniformly distributed along the circular arc of radius R as shown in the figure.The magnitude of the force experienced by the point charge +q place at the centre of curvature is (k=(1)/(4piepsilon_(0)))

The magnitude of electric field intensity at point (2,0,0) due to a dipole of dipole moment, vec P=hat i+sqrt(3)hat j kept at origin is where k=1/4 pi varepsilon_(0) is , (sqrt(m)k)/(n) then n-m is-