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Q.

Three identical bulbs are connected as shown in figure. Choose the correct statement. 

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a

All bulbs are in a series combination.

b

If bulb ‘R’ is removed, bulbs P and Q will still glow.

c

The total e.m.f in the circuit is 40V.

d

Both A and C

answer is A.

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Detailed Solution

In series connection, if one bulb disconnected, the circuit becomes open. So other bulbs stop glowing. Total e.m.f in the circuit is 60V.

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