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alina ! Grade: 12
        

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.

6 years ago

Answers : (1)

Ashish Gupta
IIT Roorkee
askIITians Faculty
12 Points
										\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. }
										
2 years ago
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