Question

An electric bulb rated 220V is connected to 220 V, 5Hz source, then the bulb
a) Does not glow
b) Fuse
c)Glows intermittently
d) Glows continuously
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Answer 1

Rule out C. There is no reason on earth for it to blow. Rule out D. There you are giving it 220 volt and so it shall glow.

So correct answer is D according to me