a piece of wire is Resistance 2 is drawn out so that its length increasing to twice its original length calculate the intersystems and resistivity of the wire new situation
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Piece of wire of resistance 20 Ω is drawn out so that its length is increased to twice its original length calculate the resistance of the wire in the new situation
Answer. As we know, When the length is doubled, area of the wire becomes half. R = 80 ohm.
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