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Question

The charge of electron and proton respectively are:

A
+1.6×1019 and 1.6×1019
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B
1.6×1019 and +1.6×1019
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C
+9.1×1031 and 9.1×1031
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D
1.6×1027 and +9.1×1031
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Solution

The correct option is B 1.6×1019 and +1.6×1019
Electrons and protons are the subatomic particles of an atom. Electrons are negatively charged and revolve around the nucleus. Protons are positively charged and are present in the nucleus.
The charge of an electron is 1.6×1019 and the charge of proton is +1.6×1019 coulomb (C).

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