A conducting loop has finite resistance but negligible self-inductance. The external magnetic flux first increases from 0 to Φ₀ and later decreases back to 0. Which statements are correct?
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Question

A conducting loop has finite resistance but negligible self-inductance. The external magnetic flux first increases from 0 to Φ₀ and later decreases back to 0. Which statements are correct?

G1 Physics · Accepted Answer

Each stage transfers charge magnitude Φ₀/R, but in opposite directions. Thus algebraic charge is zero and unsigned total is 2Φ₀/R.