Question

A body has a negative charge of 0.2uC. If body has 2.25×10^12 protons, then number of electrons present in the body will be.......
A) 1.25×10^12 B) 2.25×10^12 C) 1×10^12 D) 3.50×10^12

Answer 1

The no. of protons are equal to the no . of electrons. so, the no. of electrons .present in the body will be equal to the no. of protons present in the body. answer- (b)

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Answer 2

The correct option is (B).

Explanation:

Given that, A body has a negative charge of 0.2 μC. There are $2.25\times 10^{12}$ protons. We need to find the number of electrons present in the body. We know that the number of electrons are same as the number of protons in a body. In this case, the number of electrons present in the body will be $2.25\times 10^{12}$.

Hence, the correct option is (B).

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