When three resistors, each having resistance r, are connected in parallel, their resultant resistance is x. If these three resistances are connected in series, the total resistance will be

NDA 2016 Physics question

When three resistors, each having resistance , are connected in parallel, their resultant resistance is . If these three resistances are connected in series, the total resistance will be

(A)
(B)
(C)Correct
(D)

Answer: (C)

Solution

For three equal resistors in parallel, , so . In series the total

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Question ID VK-030604