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The resistance of a wire is 5Omega at 50...

The resistance of a wire is `5Omega` at `50^(0)C and 6Omega` at `100^(0)C`. The resistance of the wire at `0^(0)C` will be

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Knowledge Check

  • A wire has resistance of 3.1 Omega at 30^@C and 4.5 Omega at 100^@C . The temperature coefficient of resistance of the wire is

    A
    `0.0012^@c^-1`
    B
    `0.0024^@C^-1`
    C
    `0.0032^@C^-1`
    D
    `0.0064^@C^-1`
  • A wire of resistance 10Omega is elongated by 10% the resistance of the elongated wire

    A
    `11Omega`
    B
    `11.1Omega`
    C
    `12.1Omega`
    D
    `13.1Omega`
  • When two resistances are connected in parallel then the equivalent resistance is __. When one of the resistance is removed then the effective resistance is 2Omega . The resistance of the wire removed will be

    A
    3 ohm
    B
    2 ohm
    C
    `(3)/(5)` ohm
    D
    `(6)/(5)` ohm
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    A silver wire has a resistance of 2.1 Omega at 27.5^(@)C , and a resistance of 2.7 Omega at 100^(@)C . Determine the temperature coefficient of resistivity of silver.

    A silver wire has a resistance of 2.1 Omega at 27.5^(@)C and a resistance of 2.7 Omega at 100^(@)C . Determine the temperature coeff. Of resistivity of silver.

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