Answers

2015-09-16T18:08:26+05:30
A) 0.5mA
Since Between 20mA and 30mA there are 10 Numbers and 20 divisions
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What is the formula u used ??
I Have not used any. Read what I have written, 10 Number (21,22,23...) and 20 Divisions
2015-09-16T18:31:32+05:30
An ammeter has 20 divisions
so the least count =(30-20)÷20
LC=10/20=1/2=0.5 ma. ans.
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