if area of cross section of a resistance wire is halved then what resistance becomes
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R=Ro×L /A
if area is halved, the equation becomes
R= 2×Ro×L /A
so resistance doubles than initial value
if area is halved, the equation becomes
R= 2×Ro×L /A
so resistance doubles than initial value
aulakh84:
thanks
Answered by
6
resistance decreases to half
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