Question

Limitations of meter bridge

Answer 1

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Answer:

A meter bridge also called a slide wire bridge is an instrument that works on the principle of a Wheatstone bridge. A meter bridge is used in finding the unknown resistance of a conductor as that of in a Wheatstone bridge.

Answer 2

Answer:

Meter Bridge is an apparatus that is used to find the resistance of a metal coil. It consists of constantan. Meter Bridge is based on the Wheatstone Bridge circuit that says that at any point , the ratio of two resistances is equal to the ratio of the other two resistances.

• Not suitable to measure high or low resistances as bridge is most sensitive at l1 = 50cm.
• Meter bridge wire may not be exactly one meter length which gives rise to error in measurement

Explanation:

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