Two particle A and B having opp:- charges 2uC(micro coulomb) and -2uc(micro coulomb)are 1.0cm apart. a)write down the electric dipole moment of the dipole. b) Calculate the electric field a point on the axis of the dipole 1.0cm away from the centre. c) calculate the electric field at a point on the perpendicular bisector of the dipole and 1.0m away from the centre.
Asked by Rohan Kumar | 2nd Jun, 2013, 01:51: PM
a. The electric dipole moment for a pair of opposite charges of magnitude q is defined as the magnitude of the charge times the distance between them and the defined direction is toward the positive charge.
Hence, p = qd = 2*10^-6 * 1*10-2 = 2*10^-8 Cm
b. Electric field at a point on the axis of a dipole is given by
c. Electric field at a point on the perpendicular bisector of a dipole is given by
Answered by | 9th Jun, 2013, 07:11: AM
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