A wire of resistance 3ohm. and length 10cm a wire of resistance 3 ohm and length 10 feet in 10 cm is text to the length 30cm assuming that it has uniform cross section what will be its new resistance
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hey bro as we know that resistivity is inversily proportional to length so as u will make length 30cm (3times) ur resistivity will become 1/9
hope it helps u mark me
hope it helps u mark me
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