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Byju's Answer
Standard XII
Physics
Resistance of P-N Junction
Good resistan...
Question
Good resistance coils are made of ?
A
Copper
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B
Manganin
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C
Gold
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D
Silver
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Solution
The correct option is
B
Manganin
Copper, gold, and silver are good conductors and they have negligible resistance.
But Manganin has good resistance.
Ans. (B)
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