can you please me answer of this question
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i) E = kq / r^2 = (9*10^9) (10^-6) /( 3*10^-1)^2 = 1* 10^(9-6+2) = 10^5 NC^-1
ii) at surface of sphere using same formula with radius .1 m we get
E= 9*10 ^5 NC^-1
Explanation:
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