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Assertion: Bending a wire does not affec...

Assertion: Bending a wire does not affect electrical resistance.
Reason: resistance of wire is proportional to resistivity of material.

A

if both the assertion and the reason are true and the reason is the correct explanation of the assertion.

B

if both the assertion and the reason are true , but the reason is not the correct explanation of the assertion.

C

if the assertion is true, but Reason is false.

D

if assertion is false, but the reason is true.

Text Solution

Verified by Experts

both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.
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Knowledge Check

  • The resistivity of a wire

    A
    varies with its length
    B
    varies with its mass
    C
    varies with its cross-section
    D
    does not depend on its length, cross-section and mass.

  • Resistance of a wire depends on………….

    A
    temperature
    B
    geometry
    C
    nature of material
    D
    all the above

  • The resistance of the wire varies inversely as

    A
    area of cross section
    B
    resistivity
    C
    length
    D
    temperature

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