The resistance of a galvanometer is 50Ω . When 0.01 A current flows in it, full scale deflection is obtained in galvanometer, the resistance of shunt connected to convert galvanometer into an ammeter

Question

The resistance of a galvanometer is 50Ω . When 0.01 A current flows in it, full scale deflection is obtained in galvanometer, the resistance of shunt connected to convert galvanometer into an ammeter of range 5 A , will be

TestHub · Accepted Answer

Here: I g ​ = 0.01 A , G = 50Ω To convert the galvanometer in to an ammeter of range 5 A , a low resistance is to be connected in parallel with coil of galvanometer. S = i − i g ​ i g × G ​ = 5 − 0.01 0.01 × 50 ​ = 4.99 0.5 ​ = 0.1Ω

Physics - Current Electricity Question with Solution | TestHub

Options:

Doubts & Discussion