Question

state the principal of potrntiometer? and compared it with two cell.. ​

Answer 1

Questions

state the principal of potrntiometer?

Answer

Working principle of Potentiometer: When a constant current is passed through a wire of uniform area of cross-section, the potential drop across any portion of the wire is directly proportional to the length of that portion. E1, E2 is the emf of the two cells. 1, 2, 3 forms a two-way key.

Questions

compared it with two cell..

Answer

nahi bata sak ta kyu ki Questions sirf five points ka hai aur point lag yai gay answer bata nay mai

Answer 2

Answer

I am sorry for yesterday vivek sorry