IndiaBIX

Electrical Engineering - Transformers

Exercise : Transformers - General Questions
21.
In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues?
0 W
14.1 W
111.5 W
1,020 W
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is
0 V
6 V
48 V
0.75 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
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?
0.4
4
9.6
0.96
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
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
7.8
78
13
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers