We have a copper wire of resistance 10 ohm. This wire is pulled so that its length is double. Find the new resistance of the wire.
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resistance of a resistor is directly proportional to its length.
hence if length is being double then it's resistance will also get double
so new resistance =2×10=20ohm answer
hope it will help you
hence if length is being double then it's resistance will also get double
so new resistance =2×10=20ohm answer
hope it will help you
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