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If the cold junction of a thermocouple i...

If the cold junction of a thermocouple is kept at `0^@C` and the hot junction is keot at `T^@C` then the relation between neutral temperature`(T_n)` and temperature of inversion `(T_i)` is :

A

`T_n=T_i+T`

B

`T_n=T_i//2`

C

`T_n=2T_i`

D

`T_n=T_i-T`

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Knowledge Check

  • In a thermocouple, temperature of the cold junction is 20^(@) C , the inversion of temperature is 600^(@) C then neutral temperature is

    A
    `310^(@) C`
    B
    `320^(@) C`
    C
    `300^(@) C`
    D
    `315^(@) C`

  • In a thermocouple , the temperature of cold junction is 30^(@) C and the neutral temperature is 310^(@) C . The temperature of inversion is

    A
    `580^(@) C`
    B
    `590^(@) C`
    C
    `600^(@) C`
    D
    `690^(@)`

  • If the temperature of hot junction is increased beyond inversion temperature then the thermo emf

    A
    is constant
    B
    Changes sign and increases
    C
    decreases
    D
    becomes zero

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