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Priya Gorakshnath Anandkar Grade: 12
           10 +vely charged particals r kept fixed on xaxis at pts. x=10cm ,20cm,30cm ,.......100cm . the first partical has charge 1x10^ -8 c,2nd 8x10^ -8 c ,3rd 27x10^ -8c & so on .the 10th partical has 1000x10^ -8. find the mag. of ele. force acting on 1c charge placed at origine ?      Ans -4.95x10^5 N.   plz give details  ,i'm in herry.
7 years ago

Answers : (1)

Chetan Mandayam Nayakar
312 Points

Dear Priya,


Force=∑(1/4πε0)(q1q2/r2)=(1/4πε0)∑(from n=1 to n=10)((n3*10-8)/(n/10)2)


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Chetan Mandayam Nayakar  IIT Madras

7 years ago
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