Question

When 10^14 electrons are removed from a neutral metal sphere, the charge on the sphere becomes....

Answer 1

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• 10$^{14}$ electrons are removed from a neutral metal sphere .

We have know that,

• Charge(Q) = n × e .

where, n = Number of charge

=> n = 10$^{14}$

and e = charge of a electron

=> e = 1.6 × 10$^{-19}$coulomb

So, Q = 10$^{14}$ × (1.6×10$^{-19}$)

=> Q = 1.6×10$^{-5}$ coulomb

=> Q = 16×10$^{-6}$ coulomb

• Hence, The charge on the sphere becomes “+16 micro coulomb” .
• Here Charge is positive, because 10$^{14}$ numbers of electron are removed . So Only positive charge is present .

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