plz help
THE FORCE EXPERIENCED BY UNIT CHARGE WHEN PLACED AT A DISTANCE OF 0.10 m FROM THE MIDDLE OF AN ELECTIC DIPOLE ON ITS AXIAL LINE IS O.O25 N AND WHEN PLACED AT A DISTANCE O.2 m,FORCE EXPERIENCED IS REDUCED TO 0.002 N.CALCULATE DIPOLE LENGTH.
plz help
THE FORCE EXPERIENCED BY UNIT CHARGE WHEN PLACED AT A DISTANCE OF 0.10 m FROM THE MIDDLE OF AN ELECTIC DIPOLE ON ITS AXIAL LINE IS O.O25 N AND WHEN PLACED AT A DISTANCE O.2 m,FORCE EXPERIENCED IS REDUCED TO 0.002 N.CALCULATE DIPOLE LENGTH.