Electro Magnetic Induction And Alternating Currents Question 265
Question: A transformer has turn ratio 100/1. If secondary coil has 4 amp current then current in primary coil is [RPET 2000]
Options:
A) 4 A
B) 0.04 A
C) 0.4 A
D) 400 A
Show Answer
Answer:
Correct Answer: B
Solution:
$ \frac{i_{p}}{i_{s}}=\frac{N_{s}}{N_{p}}\Rightarrow \frac{i_{p}}{4}=\frac{1}{100}\Rightarrow i_{p}=0.04\ A $
