Occurence of current chopping phenomenon in an air blast circuit breaker

Q.  When using air blast circuit breaker, current chopping is a phenomenon observed when
- Published on 17 Nov 15

a. A long overhead line is switched off.
b. A bank of capacitors is switched off.
c. A transformer on no load is switched off.
d. A heavy load is switched off.

ANSWER: A transformer on no load is switched off.

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