Question

State and drive the principal of wheat stone bridge using krichoff's law

Answer 1

Explanation:

Formula Derivation: Referring fig. This is the principle of Wheatstone bridge. Let the current i is divided into two parts i1 and i2 flowing through P, Q and R, S respectively. In the position of equilibrium, the galvanometer shows zero deflection, i.e. the potential of B and D will be equal