What is the principle of Wheatstone bridge for determining an unknown resistance ? How is it realised in actual practice in the laboratory?

Explain the principle of Wheatstone bridge for determining and unknown resistance. How is it realised in actual practice in the laboratory?

Discuss a practical form of a Wheatstone's Bridge to find an unknown resistance.

What is principle of a metre bridge?

What is the condition for balance of a Wheatstone bridge?

Deduce the conditions for balance in a wheatstone bridge. Using the principle of Wheatstone bridge, describe the method to determine the specific resistane of a wire in the laboratory. Draw the circuit diagram and write the formula used. Write any two important precautions you would observe, while performing the experiment.