A) 1 amp
B) 4 amp
C) 8 amp
D) 16 amp
Correct Answer: A
Solution :
For 100% efficient transformer \[{{V}_{s}}{{i}_{s}}={{V}_{p}}{{i}_{p}}\Rightarrow \frac{{{V}_{s}}}{{{V}_{p}}}=\frac{{{i}_{p}}}{{{i}_{s}}}=\frac{{{N}_{s}}}{{{N}_{p}}}\] \[\Rightarrow \frac{{{i}_{p}}}{4}=\frac{25}{100}\Rightarrow {{i}_{p}}=1\ A\]
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