Question

Four different measuring instruments are shown below. Out of these, the

instrument that can be used for measuring current is/are the instruments labeled as

(1) I and III with I more reliable of the two

(2) I and IV with IV more reliable of the two

(3) II and III with II more reliable of the two

(4) II and IV with IV more reliable of the two

Answer 1

1 is the answer
si unit of current is ampere instruments,1,3 have ability to measure my, A.

Answer 2

Answer:

option A is the correct answer