a conducting wire of 2m length and resistance is 100 mt the length of wire is reduced to 1 meter then the resistance of the wire is 10 , 5 , 15, 20?? Explain plz
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Since the length of the wire is doubled, its area of cross-section is halved so as to keep the volume of the wire constant. ·
shivanisshet:
so wt is the answer
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