solve the question no 21 below in the picture
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1
Hey dear...
Photo mee clearly Kuch dikhayi nii de reha...
Photo mee clearly Kuch dikhayi nii de reha...
Answered by
2
apply coulmb law of electrostatic
ck233:
F= k ×q1×q2/r^2. k=9 ×10^-9
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