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Which of the following is made up of mixtures of pure oxides of iron and nickel?

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+1 vote
in Fermentation Technology by (72.1k points)
Which of the following is made up of mixtures of pure oxides of iron and nickel?

(a) Thermistors

(b) Mercury thermometers

(c) Radiation thermometers

(d) Metallic thermometers

I have been asked this question by my school teacher while I was bunking the class.

My question is taken from Instrumentation and Control topic in chapter Instrumentation and Control of Fermentation Technology

1 Answer

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Best answer
Correct option is (a) Thermistors

The best explanation: Thermistors are the semiconductors that are made up of pure oxides of iron, nickel or other metals. They exhibit a large change in resistance with a small temperature change. They are highly sensitive with small temperature changes.

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