Please I NEED IT URGENTLY PLEASE SOLVE THESE TWO QUESTIONS PLEASE
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Explanation:
Because R=rho *l/a
B)R6 copper will have minimum resistance as it will have maximum are of Criss section with radius 2d greater than above 5 and short length l/2.
A) constant will have maximum resistance as from the given data it's clear that it have minimum area of Criss section with radius d/4 and longest length I.e 3l
So these are the reason if u put the values in formula u will get it mathematically too in case any problem comment it.
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