Question 156 of 380

In the given circuit all resistance is of the value of $R$ ohm each. The equivalent resistance between $A$ and $B$ is:

A$\dfrac{5R}{2}$B3RC$\dfrac{5R}{3}$D$2R$

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Answer: (D) $2R$

Resistance of ideal wire would be zero, and hence potential will be the same of all $C$ point as shown in the figure. So effective path of current is shown in figure,

JEE Main Physics practice question on Current Electricity (Combination of Resistances), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.