a Tungsten wire of length 20cm is stretched by 0.1cm .find strain on the wire
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strain=change in length per unit original length
Therefore 20-0.1=19.9 and original length is 20. Divide 19.9 by 20 and you'll get answer. I am not going to divide it's boring.
Therefore 20-0.1=19.9 and original length is 20. Divide 19.9 by 20 and you'll get answer. I am not going to divide it's boring.
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