Assertion :If we bend an insulated conducting wire, the resistance of the wire increases. Reason: The drift velocity of electrons in bent wire decreases.

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 D Both Assertion and Reason are incorrect
$R = \frac{S l}{A}$
If we bond wise, $(S, l, A)$ nothing is changing.
$∴$ $R \to s a m e$ .
${\to V}_{d} = \frac{- e \to E c}{m}$

Ans $\to$ (D)

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Assertion :If we bend an insulated conducting wire, the resistance of the wire increases. Reason: The drift velocity of electrons in bent wire decreases.

The correct option is D Both Assertion and Reason are incorrectR=SlAIf we bond wise, (S,l,A) nothing is changing.∴ R→same.→Vd=−e→EcmAns → (D)

The correct option is D Both Assertion and Reason are incorrect
$R = \frac{S l}{A}$
If we bond wise, $(S, l, A)$ nothing is changing.
$∴$ $R \to s a m e$ .
${\to V}_{d} = \frac{- e \to E c}{m}$

Ans $\to$ (D)