Question

The equivalent resistance between points A and B in the network shown in fig. is –

• A. $\frac{15}{7}$R
• B. $\frac{8}{7}$R
• C. $\frac{12}{7}$R
• D. $\frac{16}{7}$R

Answer 1

Answer: (B)

$\frac{8}{7}$R

Answer 2

From symmetry the network can be modified as

R_AB = $\frac{8}{7}$R