Question

The least count of ammeter shown below is : (A) 0a5 A (B) 0.1 A
(C) DI A (0)0.25 A

CBSE Class X Science VSA (1 Mark)

Answer 1

(B) Least count = Range / No. of division = 0-3/30 = 3/30 = 0.1 A 

Answer 2

Where's the figure dude?

Well you ought to follow the formula below in order to get your least count :

Least count= range/no. Of divisions