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Why we use 4 to 20 mA, (This is International Standard)
instaed of this can we use 4-16, or 4-24 or 3- 15 or any
other range
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Answer Posted / mayur
ans. 5,6,7 & 8 r correct.only two points add.
1.in ancient time,niddle type galvanometers are used,only if
we pass 4mA current it shows deflection.therefore 4mA.
2.if 21mA current will pass through our body,man can goes
dead.therefore 20mA. & 4-20 mA can divided into 5 equal %.
| Is This Answer Correct ? | 4 Yes | 12 No |
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