(Solved): The following unbalanced Wheatstone bridge is constructed. Calculate the value of resistor \( \math ...

The following unbalanced Wheatstone bridge is constructed. Calculate the value of resistor \( \mathrm{R}_{4} \) required to balance the bridge circuit. Find the magnitude of resistance \( \mathrm{R} \) in the circuit shown below, when no current flows through 50 resistor.