Q.In a meter bridge, the null point is obtained at 40 cm from one end. If a $10\Omega$ resistance is connected in series with the smaller resistance, the null point shifts to 50 cm. The unknown resistance is

4\Omega

6\Omega

8\Omega

12\Omega

The correct solution involves applying the fundamental concept to derive the final value step by step...

Already a member? Login here

Q.In a meter bridge, the null point is obtained at 40 cm from one end. If a 10Ω10\Omega10Ω resistance is connected in series with the smaller resistance, the null point shifts to 50 cm. The unknown resistance is