Assertion :Variable resistor is such a resistor whose resistance value can be adjusted as when required to a desired value. Reason: Variable type of resistor has four leads among which two are fixed and two are movable.

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 C Assertion is correct but Reason is incorrect
Variable resistance is a resistance box, of which there are plenty of keys. the key corresponding to the required resistance must be removed to get it.

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Assertion :Variable resistor is such a resistor whose resistance value can be adjusted as when required to a desired value. Reason: Variable type of resistor has four leads among which two are fixed and two are movable.

The correct option is C Assertion is correct but Reason is incorrectVariable resistance is a resistance box, of which there are plenty of keys. the key corresponding to the required resistance must be removed to get it.

The correct option is C Assertion is correct but Reason is incorrect
Variable resistance is a resistance box, of which there are plenty of keys. the key corresponding to the required resistance must be removed to get it.