A wire of resistance 20 ohm is uniformly streched until its length becomes double of its original length.What will be its new resistance?Assume that the volume of the wire remains constant when it is streched.
Asked by Pratiksha Kanhe | 3rd Oct, 2011, 12:00: AM
Expert Answer:
Answered by | 4th Oct, 2011, 10:03: AM
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