Q. For the circuit showing, all wires have same resistance and equivalent resistance between points $A$ and $B$ is $R$ . Now, if the keys are closed, then the equivalent resistance becomes $\frac{x R}{3}$ . Find $x$ .

1266 164 Current Electricity Report Error

Answer: 7

Solution:

Q. For the circuit showing, all wires have same resistance and equivalent resistance between points A and B is R. Now, if the keys are closed, then the equivalent resistance becomes 3xR​. Find x.