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The resistance of a certain paltinum res...

The resistance of a certain paltinum resistance thermomter is found to be `2.56 Omega` at `0^(@)C` and `3.56 Omega` at `100^(@)C`. When the thermometer is immersed in a given liquid, its resistance is observed to be `5.06 Omega`. The temperature of the liquid

A

`45 ^(0)C`

B

`250 ^(0)C`

C

`225 ^(0)C`

D

`120 ^(0)C`

Text Solution

Verified by Experts

The correct Answer is:
B
`t = (R_(t) - R_(0)) /(R_(100) - R_(0)) xx 100`
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Knowledge Check

  • The resistance of the wire in the platinum resistance thermometer at ice point is 5Omega and at steam point is 5.25Omega . When the thermometer is inserted in an unknown hot bath its resistance is found to be 5.5Omega . The temperature of the hot bath is

    A
    `100^(@)C`
    B
    `200^(@)C`
    C
    `300^(@)C`
    D
    `350^(@)C`

  • The resistance of a platinum wire of a platinum resistance thermometer at the ice point is 5Omega and at steam point is 5.4Omega . When the thermometer is inserted in a hot bath, the resistance of the platinum wire is 6.2Omega . Find the temperature of the hot bath.

    A
    `3000^(@)C`
    B
    `30^(@)C`
    C
    `300^(@)C`
    D
    `300K`

  • The resistance of a conductor is 5Omega at 50^(@) C and 6Omega at 100^(@)C . The resistance at 0^(@)C is

    A
    `2Omega`
    B
    `4 Omega`
    C
    `2.5Omega`
    D
    `4.5 Omega`

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