Draw the circuit diagram for the determination of unknown resistance with the help of a metre bridge .

Explain the determination of unknown resistance using meter bridge.

Draw a circuit diagram for the determination of the internal resistance of a cell using potentiometer. Derive the formula to be used.

Draw a circuit diagram for determining the unknown resistance R using meter bridge. Explain briefly its working, giving the necessary formula used.

Explain with neat circuit diagram, how you wil determine the unknown resistance using a meter bridge.