A) 3 A
B) 30 A
C) 0.3 A
D) 2.4 A
Correct Answer: A
Solution :
\[\eta =\frac{\text{Output}}{\text{Input}}\] Þ \[\frac{80}{100}=\frac{20\times 20}{1000\times {{i}_{l}}}\]You need to login to perform this action.
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