Assertion :The 200 W bulbs glows with more brightness than 100 W bulbs. Reason: A 100 watt bulb has more resistance than a 200 W bulb.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Since the power of $200 W$ is more than $100 W$ so ,it will glow brighter .
$R = \frac{V^{2}}{P}$ , P is power
when power is high then resistance is low, $200 W$ bulb will have loss resiatnce then $100 W$

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Assertion :The 200 W bulbs glows with more brightness than 100 W bulbs. Reason: A 100 watt bulb has more resistance than a 200 W bulb.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for AssertionSince the power of 200W is more than 100W so ,it will glow brighter .R=V2P, P is power when power is high then resistance is low, 200W bulb will have loss resiatnce then 100W