For the type-B chopper shown below
(a) during Ton, Vo = 0 and L stores energy
(b) during Ton, Vo is not 0 and L stores energy
(c) during Ton, Vo = 0 and L releases energy
(d) during Ton, Vo is not 0 and L releases energy
I had been asked this question in a national level competition.
This interesting question is from Choppers-5 topic in section Choppers of Power Electronics