Question

Statement I At macroscopic level, quantisation of charge has no practical consequence and can be ignored.
Statement II $-1 \mu C$ charge contains $10^{13}$ times electronic charge $e$ approximately.

• A. Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I.
• B. Both Statement I and Statement II are correct but Statement II is not the correct explanation of Statement I.
• C. Statement I is correct but Statement II is incorrect.
• D. Statement I is incorrect but Statement II is correct.

Answer 1

Answer: (A)

At macroscopic level, we deal with charges of order $1 \mu C =10^{-6} C$,
which has $\frac{10^{-6}}{1.6 \times 10^{-19}}=0.625 \times 10^{13}=10^{13}$ charges.
Addition of a few hundred of $e$ charges do not make any physically observable effect of attraction repulsion, so quantisation can be ignored.