Electro Magnetic Induction And Alternating Currents Question 273
Question: In a step up transformer, 220 V is converted into 200 V. The number of turns in primary coil is 600. What is the number of turns in the secondary coil [DCE 2004]
Options:
A) 60
B) 600
C) 6000
D) 100
Show Answer
Answer:
Correct Answer: C
Solution:
$ \frac{N_{s}}{N_{p}}=\frac{V_{s}}{V_{p}}\Rightarrow \frac{N_{s}}{600}=\frac{2200}{220}\Rightarrow N_{s}=6000 $
