How resistance can be determined using the principle of Wheatstone bridge ? Derive the principle .

Write principle of Wheatstone bridge.

What is the principle of a metre bridge?

Wheatstone bridge can be used

Wheatstone bridge can be used

What is principle of a metre bridge?

What is the principle of a meter bridge.

Name a practical device which uses the principle of 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.