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Question: When \(10^{14}\) electrons are removed from a neutral metal sphere, the charge on the sphere becomes...

When 101410^{14} electrons are removed from a neutral metal sphere, the charge on the sphere becomes

A

16μC16\mu C

B

−16μC- 16\mu C

C

32μC32\mu C

D

−32μC- 32\mu C

Answer

16μC16\mu C

Explanation

Solution

Q=ne=1014×1.6×10−19Q = ne = 10^{14} \times 1.6 \times 10^{- 19}⇒ Q=1.6×10−5C=16μCQ = 1.6 \times 10^{- 5}C = 16\mu C

Electrons are removed, so chare will be positive.