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Define resistance of conductor.also give...

Define resistance of conductor.also give its units

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Resistance is the property of a conductor to resist the flow of current through it. Its S.I. unit is ohm, represented by the Greek letter `Omega` (omega).
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Knowledge Check

  • The resistance of a conductor depends on its

    A
    Length
    B
    area of cross section
    C
    temperature
    D
    all of these

  • For a given volume, the resistance of a conductor is proportional to its

    A
    length
    B
    `"(length)"^2`
    C
    `(1)/("length")`
    D
    `(1)/("( length)"^2)`

  • The temperature cofficient of resistance of a conductor is 0.002//""^@C . " At " 250^@C , resistance of conductor is 4Omega , its resistance will be 6Omega at temperature about

    A
    `625^@C`
    B
    425K
    C
    625K
    D
    550K

    • Similar Questions

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    Define resistance of a conductor and its cause. Explain the factors on which its value depends. How will the resistance of a wire of metal be affected if its temperature is changed?

    What do you mean by resistance of a conductor? Define its unit. (b) In an electric circuit with a resistance wire and a cell, the current flowing is I. what would happen to this current if the wire is replaced by another thicker wire of same material and same length? Give reason.

    Define the term resistivity of conductor. Give its SI units. Show that the resistance of a conductor is given by R = (ml)/(ne^(2) tau A) where tau is average relaxation time.

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