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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.

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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.

Grade:12

1 Answers

Ashish Gupta IIT Roorkee
askIITians Faculty 12 Points
9 years ago
\text{Force = KqQd/(r^{2} + d^{2}/4)^{1.5}, where K = 9X10^{9},q= 1C r is given for the two cases. The only variables are Q and d. Substitute the values in the equation and you get 2 equations which could be solved now. }

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