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Resistance of the wire is inversely prop...

Resistance of the wire is inversely proportional to length of the wire.

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Resistance of the wire is directly proportional to the length.
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The resistance of any conductor is directly proportional to the length of the conductor and inversely proportional to its____________.

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Knowledge Check

  • Assertion: In a meter bridge experiment, the balancing length AC corresponding to null deflection of the galvanometer is x. If the radius of the wire AB is doubled then the balanced length becomes 4x. Reason: The resistance of a wire is inversel proportional to the square of its radius. Which one of the following statement is correct?

    A
    Both assertion and reason are true and reason explains assertion correctly.
    B
    Both assertion and reason are true and reasons does not explain assertion correctly.
    C
    Assertion is true and reason is false.
    D
    Assertion is false and reason is true.

  • The resistance of the wire varies inversely as

    A
    area of cross section
    B
    resistivity
    C
    length
    D
    temperature

  • The resistance of a conductor is inversely proportional to its_____________.

    A
    Volt
    B
    Length
    C
    Area
    D
    None of above

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

    The speed of sound is inversely proportional to __________ .

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    If a wire of resistance R is stretched to twice its original length, the new resistance of the wire will be:

    A wire of resistance R is stretched to three times its original length. The new resistance is

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