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A, B, C are identical bulbs. How does th...

A, B, C are identical bulbs. How does the brightness of A and B change when the switch S is closed ?

A

The brightness of A increases and that of B decreases

B

The brightness of A does not change and that of B decreases

C

The brightness of both A and B decreases

D

The brightness of A increases and that of B does not change

Text Solution

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The correct Answer is:
A
`therefore` illumination A is more than previous.
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