A) 20%
B) 40%
C) 70%
D) 90%
Correct Answer: D
Solution :
\[\eta =\frac{{{V}_{s}}{{i}_{s}}}{{{V}_{p}}{{i}_{p}}}\times 100=\frac{11\times 90}{220\times 5}\times 100=90\ %\]You need to login to perform this action.
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