a wire has a resistance of 32 ohm it is melted and drawn into a wire of a half of its original length what is the resistance of the new wire
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resistance of new wirw would be 16 ohm
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We know that,
R is directly proportional to the length of the wire.
Therefore, when the length of the wire decreases the resistance also decreases.
When length of the wire is decreased to the half, the resistance also decreases to its half.
Hence the resistance of the new wire will be 16 ohm.
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