A) \[20%\]
B) \[44%\]
C) \[90\,%\]
D) \[100\,%\]
Correct Answer: C
Solution :
\[%\text{ }efficiency=\frac{{{P}_{out}}}{{{P}_{in}}}\times \,100=\,\,\frac{110\times 9}{220\times 5}\times 100=90%\]You need to login to perform this action.
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