A) 50 V, 1 A
B) 10 V, 5 A
C) 25V, 4 A
D) 20V, 2 A
Correct Answer: B
Solution :
Given, \[{{N}_{P}}:{{N}_{s}}=1:10\] \[{{V}_{s}}={{I}_{s}}\times R\] \[=0.5\times 200=100volt\] \[{{V}_{p}}=?,\] \[{{I}_{p}}=?\] Transformation ratio \[k=\frac{{{N}_{s}}}{{{N}_{p}}}=\frac{{{V}_{s}}}{{{V}_{p}}}=\frac{{{I}_{p}}}{{{I}_{s}}}\] \[\therefore \] \[\frac{10}{1}=\frac{100}{{{V}_{p}}}\] \[{{V}_{P}}=10volt\] Again, \[\frac{10}{1}=\frac{{{I}_{p}}}{0.5}\] \[{{I}_{p}}=5A\]
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