Electronics - Transformers

Exercise : Transformers - General Questions
6.

What is the secondary voltage in the given circuit?

13.3 V rms in phase with the primary
120 V rms in phase with the primary
13.3 V rms out of phase with the primary
120 V rms out of phase with the primary
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
The transformer turns ratio determines
the ratio of primary and secondary voltages
the ratio of primary and secondary currents
the reflected impedance
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Mutual induction is dependent on
winding ratios
output polarities
dc voltage levels
current changes
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.

What is the current through the load in the given circuit?

500 mu.gifA
10 mA
250 mA
1.25 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.

What is the power dissipated in the primary of the transformer in the given circuit?

25 mW
500 mW
12.5 W
62.5 W
Answer: Option
Explanation:
No answer description is available. Let's discuss.