Electro Magnetic Induction And Alternating Currents Question 242
Question: The transformation ratio in the step-up transformer is
Options:
A) 1
B) Greater than one
C) Less than one
D) The ratio greater or less than one depends on the other factors
Show Answer
Answer:
Correct Answer: B
Solution:
Transformation ratio $ k=\frac{N_{s}}{N_{p}}=\frac{V_{s}}{V_{p}} $ For step-up transformers, $ N_{s}>N_{p}\ i.e.\ V_{s}>V_{p}, $ hence $ k>1. $
