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Q.

Three bulbs of 25 W, 40 W and 100 W respectively are connected in parallel. Which physical quantity is the same through the bulbs in these arrangements?


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a

Current

b

Voltage

c

Power

d

None of these 

answer is B.

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Detailed Solution

The voltage will remain the same throughout the bulbs in this arrangement.
When the current passes through the circuit in parallel combination, then like the given condition that three bulbs of 25 W, 40 W and 100 W respectively are connected in parallel, then the same potential difference voltage will pass through the bulbs, but the current flowing through it will be different for each bulb.
 
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