The equivalent resistance between points A and B of the circuit given below is …………`Omega`

Answer

B

Explanation

The given circuit may be redrawn as shown in the figure.
Thus, the resistance `2R, 2R and R are in parallel.
Hence, `1/(R_(AB)) = 1/(2R) + 1/(2R) +1/R = 2/R`

Hence, `R_(AB) = R/2`.