Two lamps, Green (G) and Red ® are connected in a motor circuit as shown in the figure

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Two lamps, Green (G) and Red ® are connected in a motor circuit as shown in the figure. The conditions under which the lamps will burn are, (supply is available at terminals A & B)
(a) Green lamp burns always, red lamp burns only when switch S is closed
(b) Green and red lamp burns when switch S is closed
(c) Green lamp burns only when switch S is closed
(d) Green lamp burns only when S is open and red lamp burns only when S is closed.

Anurag Mishra Professor Asked on 1st February 2016 in Physics.
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    Answer: (d) Green lamp burns only when S is open and red lamp burns only when S is closed 

    Anurag Mishra Professor Answered on 21st May 2016.
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