Two wires, one of copper and other if manganin have equal cross section and equal resistance. Which wire is longer? Given that resistivity of copper is less than that is manganin.
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copper wire is longer than manganin because manganin is a alloy which 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
I hope u understand
so to become equal resistance copper wire's length should be long
because R is directly proportional to length
I hope u understand
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