The number of electric field lines crossing an area `DeltaS` is `n_(1)` when `Delta vec(S)||vec(E )` while number of field lines crossing same area is `n_(2)` when `Delta vec(E )` makes an angle of `30^(@)` with `vec(E )`, then :

The number of electric field lines crossing an area DeltaS is n_1 when Delta vecS||vecE , while the number of field lines crossing the same area is n_2 when DeltavecE makes an angles of 30^@ with vecE . Then

The number of electric field lines crossing an area DeltaS is n_1 when Delta vecS||vecE , while the number of field lines crossing the same area is n_2 when DeltavecE makes an angles of 30^@ with vecE . Then

The angle between electric field intensity vec(E) and the area vector vec(ds) at which the T.N.E.I. is maximum is

The electric field intensity vec(E) , , due to an electric dipole of dipole moment vec(p) , at a point on the equatorial line is :

The electric field intensity vec(E) , , due to an electric dipole of dipole moment vec(p) , at a point on the equatorial line is :

Show that the flux delta Phi of electric field E through a small area element delta S is given by delta Phi=E deltaS when delta S = |deltaS|hatn

A charged particle goes undeflected in a region containing electric and magnetic field. It is possible that (i) vec(E) || vec(B). vec(v) || vec(E) (ii) vec(E) is not parallel to vec(B) (iii) vec(v) || vec(B) but vec(E) is not parallel to vec(B) (iv) vec(E)||vec(B) but vec(v) is not parallel to vec(E)

A charged particle goes undeflected in a region containing electric and magnetic field. It is possible that (i) vec(E) || vec(B). vec(v) || vec(E) (ii) vec(E) is not parallel to vec(B) (iii) vec(v) || vec(B) but vec(E) is not parallel to vec(B) (iv) vec(E)||vec(B) but vec(v) is not parallel to vec(E)

Electric field on the axis of a small electric dipole at a distance r is vec(E)_(1) and vec(E)_(2) at a distance of 2r on a line of perpendicular bisector is

Electric field on the axis of a small electric dipole at a distance r is vec(E)_(1) and vec(E)_(2) at a distance of 2r on a line of perpendicular bisector is