Current commutated DC-DC choppers - When does voltage spike appear across the load?

Q.  In current commutated DC-DC choppers, the voltage spike appears across the load when
- Published on 08 Sep 15

a. Voltage across the commutating inductances collapses
b. The capacitance voltage adds to the supply voltage
c. Both (a) and (b)
d. None of these

ANSWER: Both (a) and (b)

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