EE MCQ
EE MCQ
Home
Quiz
Contact Us
Transformers
Transformers
A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is
1.3 Ω
78 Ω
13 Ω
7.8 Ω
1.3 Ω
78 Ω
13 Ω
7.8 Ω
Answer
Download EE MCQ app
Transformers
What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary?
4
0.96
9.6
0.4
4
0.96
9.6
0.4
Answer
Download EE MCQ app
Transformers
When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is
0.75 V
48 V
0 V
6 V
0.75 V
48 V
0 V
6 V
Answer
Download EE MCQ app
Transformers
The primary winding of a power transformer should always be
open
fused
switched
shorted
open
fused
switched
shorted
Answer
Download EE MCQ app
Transformers
The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage?
2 V
20 V
180 V
18 V
2 V
20 V
180 V
18 V
Answer
Download EE MCQ app
1
2
...
30
Go to page
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram