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A.All three bulbs will go out
B.Bulbs 2 and 3 will go out, but bulb 1 will remain lit
C. All three bulbs will go out
D. Bulb 3 will go out, but bulbs 1 and 2 remain lit

AAll three bulbs will go out BBulbs 2 and 3 will go out but bulb 1 will remain lit C All three bulbs will go out D Bulb 3 will go out but bulbs 1 and 2 remain class=

Respuesta :

Answer:

(D)

Explanation:

When switch C is opened then, Current is not flowing across 3 So bulb 3 will go out.

But current is flowing across 1 and 2 bulb because their switch is closed

therefore bulb 1 and 2 will remain it.

Hence, option (D) will be correct.