Figure shows a chopper feeding RLE load, The free wheeling diode conducts when

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[A].	thyristor is on
[B].	thyristor is off
[C].	both when thyristor is on and thyristor is off
[D].	partly when thyristor is off and partly when thyristor is on

Answer: Option B

Explanation:

FD is forward biased only when thyristor is off.