1.

(a) State four factors on which the resistance of a conductor depends.​(b) A 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» (a) State four factors on which the resistance of a conductor depends.

​(b) A 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.


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