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Define thermal coefficient of resistance. Write …

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Define thermal coefficient of resistance. Write it's S.I. unit. What is its value for:- •metallic conductor •semiconductor •insulator and alloy Why alloys such as constantan and manganin are used in making standard coil or meter bridge wire or potentiometer wire?

Posted by Harshit Malik 7 years, 11 months ago

CBSE > Class 12 > Physics

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