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Potential on a charged conducting sphere's surface of radius 0.1 m, charge 10 nC?
A90 V
B9000 V
C90000 V
D900 V
Answer & Solution
Correct answer: D. 900 V
V = kq/R = 9×10⁹ × 10⁻⁸ / 0.1 = 900 V.
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