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Question

Question: If an object has a net charge of –1 coulomb, the number of excess electrons it possesses is-...

If an object has a net charge of –1 coulomb, the number of excess electrons it possesses is-

A

1.6 × 10–19

B

6.25 × 1018

C

6.25 × 1020

D

6.25 × 1017

Answer

6.25 × 1018

Explanation

Solution

q = ne

\ n = qe\frac { \mathrm { q } } { \mathrm { e } } = 11.6×1019\frac { 1 } { 1.6 \times 10 ^ { - 19 } } = 6.25× 1018(In excess)