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Resistance is 16 Omega at 15^0C and 20 O...

Resistance is `16 Omega` at `15^0C` and `20 Omega` at `100^0 C` find coefficient of resistivity

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A conducting wire has resistance 16 Omega at 15^0 C and 20 Omega at 100^0 C find temperature of coeffecient of resistance

A plantinum wire has resistance of 10 Omega at 0^(@)C and 20 Omega at 273^(@)C . Find the value of coefficient of resistance.

Knowledge Check

  • A platinum wire has a resistance of 2.62 Omega at 15 ^(0)C and 3.29 Omega at 80 ^(@)C . Find the temperature coefficient of the resistance of platinum wire.

    A
    `4.18 xx 10^(-3@)C^(-1)`
    B
    `9.34 xx 10^(-3@)C^(-1)`
    C
    `1.934 xx 10^(-3@)C^(-1)`
    D
    `934 xx 10^(-3@)C^(-1)`

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

    A
    `3Omega`
    B
    `2Omega`
    C
    `1Omega`
    D
    `4Omega`

  • The resistance of a coi is 4.2Omega at 100^(@)C and the temperature coefficient of resistance of its material is (0.004)/(.^(@)C) . Its resistance at 0^(@)C is

    A
    `6.5Omega`
    B
    `5Omega`
    C
    `3Omega`
    D
    `2.5Omega`

    • Similar Questions

    Explore conceptually related problems

    A platinum wire has a resistance of 10Omega at 0^@C and 20Omega at 273^@C. find the value of temperaure cofficient of platinum.

    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 coefficient of resistivity of silver.

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

    A conductor has resistance of 5 Omega at 60^@C and 6 Omega at 100 ^@C . Find (i) the mean temperatures coefficient of resistance of the material of conductor and (ii) resistance at 0^@C .

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