What is a salt bridge? Write any two functions of salt bridge.

Write any two functions of cell membrane. :

What are salts?

What is a slide wire bridge?

What is a Wheatstone bridge ?

Na_2CO_3 is a salt of

Two equal resistances are introduced in two gaps of a metre bridge.Find the shift in the null point if an equal resistance is connected in series with resistance in left gap .

The colour of salt due to

A sonometer wire resonates with a given tuning fork forming standing waves with five antinodes between the two bridges when a mass of 9 kg is suspended from the wire. When this mass is replaced by a mass M, the wire resonates with the same tuning fork forming three antinodes for the same positions of the bridges. The value of M is

Name two practical forms of Wheatstone bridge .

Why meter bridge is also called Wheatstone’s metre bridge.