Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 4 (Q.No. 32)
32.
Two ammeters having resistances of 0.5 Ω and 0.25 Ω and having full scale reading of 25 A each are connected in parallel. To ensure that neither of them goes beyond scale, the total current should not be more than
50 A
37.5 A
25 A
40 A
Answer: Option
Explanation:

or V = 37.5 V.

Discussion:
1 comments Page 1 of 1.

Ash said:   4 years ago
Why 0.5 is as the numerator? Why not 0.25? Please explain.

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