Question

All wires have same resistance and equivalent resistance between A and B is $R_0$. Now keys are closed, then the equivalent resistance will become.

• A. $\frac{5R_0}{3}$
• B. $\frac{7R_0}{9}$
• C. $7R_0$
• D. $\frac{R_0}{3}$

Answer 1

The correct option is B $\frac{7R_0}{9}$