Home » ECE Objective type Questions and Answers » If a wire conductor of resistance 0.4O is doubled in length, its resistance becomes :

Tuesday 17 May 2016

If a wire conductor of resistance 0.4O is doubled in length, its resistance becomes :

(a)  0.4 O
(b)  0.8 O
(c)  0.2 O
(d)  0.1 O

Ans: B

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