A) 4 : 5
B) 5 : 4
C) 16 : 25
D) 25 : 16
Correct Answer: A
Solution :
In a transformer \[\frac{{{V}_{s}}}{{{V}_{p}}}=\frac{{{i}_{p}}}{{{i}_{s}}}=\frac{{{n}_{s}}}{{{n}_{p}}}\] Ratio of primary current and secondary current \[\Rightarrow \] \[\frac{{{i}_{p}}}{{{i}_{s}}}=\frac{{{n}_{s}}}{{{n}_{p}}}=\frac{40}{50}=\frac{4}{5}\]You need to login to perform this action.
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