Question

Give the working of meterbridge​

Answer 1

Answer:

A Meter Bridge is also called as slide wire bridge and is an instrument that works on the principle of a Wheatstone bridge. A meter bridge is used to find the unknown resistance of a conductor as that of in a Wheatstone bridge. ... where, r = the radius of the cable and also l = length of the wire.

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Answer 2

$\huge\star\mathfrak\pink{{Answer:-}}$

$\huge\star\mathfrak\blue{{Working}}$$\huge\star\mathfrak\blue{{Of}}$$\huge\star\mathfrak\blue{{Meterbridge}}$

1. A suitable resistance is taken in the resistance box. The current is sent round the circuit by closing the key. Without touching the jockey at any point of the wire, the deflection in the

galvanometer is observed.

2. The rheostat is adjusted to get a suitable deflection Around (2/3)rd of range.

3. Now, the jockey is tapped at different points of the wire and a point of contact D for which, the galvanometer shows no change in the deflection, is found.

4. As the galvanometer shows the same deflection with or without contact