The thermistors are usually made of

  • Option 1)

    metals with low temperature coefficient of resistivity

  • Option 2)

    metals with high temperature coefficient of resistivity

  • Option 3)

    metal oxides with high temperature coefficient of resistivity

  • Option 4)

    semiconducting materials having low temperature coefficient of resistivity

 

Answers (1)
V Vakul

As we learnt in 

Thermistors are made of metal oxides with high-temperature co­efficient of resistivity.

As we discussed in

Temperature dependent Resistivity -

\rho=\rho_{o}(1+ \alpha (T-T_{o}))

-

 

 thermistors are made of metal oxides with high-temperature co-efficient of resistivity.


Option 1)

metals with low temperature coefficient of resistivity

This option is incorrect.

Option 2)

metals with high temperature coefficient of resistivity

This option is incorrect.

Option 3)

metal oxides with high temperature coefficient of resistivity

This option is correct.

Option 4)

semiconducting materials having low temperature coefficient of resistivity

This option is incorrect.

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