Two bulbs: 100 W and 200 W (with same rated voltage) are connected in parallel to a voltage source. Then:

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The voltage through each bulb is same

The current in each bulb is same

The current in 100 W bulb is smaller than current in 200 W bulb

The voltage across 200 W is greater

answer is A, C.

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Detailed Solution

$P = \frac{V^{2}}{R} \Rightarrow R \propto \frac{1}{P}$

Resistance of 100 W bulb is greater and in parallel, both the bulbs have same potential.

Option (a) is correct. Option (d) is wrong.

$V = I_{1} R_{1} = I_{2} R_{2}$

and so current in 100 W bulb will be smaller.

Option (b) is wrong. Option (c) is correct.

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