electric field intensity due to electric dipole on axial line
Hello,
The answer to this is( 1/4*pi*epsilon)*p/r*r*r.This derivation is an important one and make sure you learn it exactly as it is asked many a times.You can refer to your textbook for the same or refer to apps like doubtnut or brainly or toppr as the derivation is explained nicely and in an easy manner there