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NEET UG PHYSICS MCQ: ELECTRIC FIELDS AND CHARGES

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A polythene piece, rubbed with wool, is found to have negative charge of 4×10−74 \times {10^{ - 7}}C. the number of electrons transferred from wool to polythene is
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Correct option: B
2.5×10122.5 \times {10^{12}}
Option B (2.5×10122.5 \times {10^{12}}) is correct because the number of electrons transferred is calculated by dividing the total charge by the charge of a single electron.

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