A) 50 A
B) 45 A
C) 35 A
D) 25 A
Correct Answer: B
Solution :
\[{{P}_{s}}=\eta {{P}_{p}}\] \[\Rightarrow \] \[{{E}_{s}}{{i}_{s}}=\eta {{E}_{i}}{{i}_{p}}\] \[\Rightarrow \] \[{{i}_{s}}=\frac{(0.9)(2300)(5)}{(230)}=4.5A.\]You need to login to perform this action.
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