Question

In figure, AB is a wire of length 100 cm whose resistance is 5Ω .If galvanometer reads zero, the current flowing in the wire AB is :

(a) 0.1 A

(b) 0.5 A

(c) 1 A

(d) 1.4 A

Answer 1

Correct option (a) 0.1 A

Explanation:

As reading of galvanometer = 0

So current through wire