a piece of wire of resistance 20 Ampere is drawn out so that its length is increased to twice it's original length. calculate the resistance of the wire in the new situation
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resistance became twice as length is doubled and current best came half 10 Ampere
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a piece of wire of resistance 20 Ampere is drawn out so that its length is increased to twice it's original length. calculate the resistance of the wire in the new situation
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