A) 1
B) greater than one
C) less than one
D) the ratio greater or less than one depends on the other factors.
Correct Answer: B
Solution :
Transformation ratio, \[K=\frac{{{N}_{s}}}{{{N}_{P}}}=\frac{{{V}_{s}}}{{{V}_{P}}}\] For step-up transformer\[{{N}_{s}}>{{N}_{P}}\]i.e., \[{{V}_{s}}>{{V}_{P}}\] Hence, \[K>1.\]
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