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WIR UUle.Q.29Two wires of equal cross sectional area, one of copper and other of maresistance. Which one will be longer?al area, one of copper and other of manganin have sameQ.30 A Rectangular hlock of

Answer»

Copper wire is longer than manganin because manganin have high resistance than a copper metal so to become equal resistance copper wire's length should be long because R is directly proportional to length



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