RRB Technician 2013 Ques 10
Question: In a transformer, 220 AC voltage is increased to 2200 V. If the number of turns in the secondary are 2000, then the number of turns in the primary will be
Options:
A) 20
B) 100
C) 50
D) 200
Show Answer
Answer:
Correct Answer: D
Solution:
- $ \frac{V _1}{V _2}=\frac{N _1}{N _2}N _1=\frac{V _1}{V _2}N _2=( \frac{220}{2200} )2000=200 $
BETA
