Assertion :Drift velocity of electrons is independent of time. Reason: Electrons are accelerated in the presence electric field.

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
$V_{d} = \sqrt{2 g h}$
hence Assertion is correct.
Reason
electrons are accelerated in the pressure electric field. This will also be correct because the more lines of forces is more electric field and electrons are accelerated in the pressure electric field.
Hence, Reason is not the correct explanation on for assertion.

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