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Class 12 › Physics › Current Electricity
CBSE2019Class Class 12 · Physics1 Marks · Mcq✅ Verified
The net charge on a current carrying conductor is
A. zero
B. constant
C. varying
D. negative
✅ Answer & Solution
✅ Correct Answer: A
A current-carrying conductor has equal numbers of protons and free electrons. Only free electrons drift under the electric field, but the total charge:
$$Q_{net} = Q_{protons} + Q_{electrons} = 0$$
