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conductor of area A, L=20 m, R1=108 and another one of same material of L2=5m, area 3A, what is R2
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A conductor of regular cross-section, its length 20 m and its resistance 108 ohm and another conductor of the same material its length 5 m and its cross-section area is three times that of the first conductor, then the resistance of the second conductor equals