The charge on the electron is 1.6 × 10-19 C. The number of electrons need to be removed from a metal sphere of 0.05 m radius so as to acquire a charge of 4 × 10-15 C is(A) 1.25 × 104(B) 1.25 × 103(C) 2.5 × 103(D) 2.5 × 104

The charge on the electron is 1.6 × 10-19 C. The number of electron

1.	The charge on the electron is 1.6 × 10-19 C. The number of electrons need to be removed from a metal sphere of 0.05 m radius so as to acquire a charge of 4 × 10-15 C is(A) 1.25 × 104(B) 1.25 × 103(C) 2.5 × 103(D) 2.5 × 104
Answer» Correct option is: (D) 2.5 × 10⁴

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The charge on the electron is 1.6 × 10-19 C. The number of electrons need to be removed from a metal sphere of 0.05 m radius so as to acquire a charge of 4 × 10-15 C is(A) 1.25 × 104(B) 1.25 × 103(C) 2.5 × 103(D) 2.5 × 104

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