Exercise: Transformers

Questions for: Transformers

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

A:
500 mu.gifA
B:
10 mA
C:
250 mA
D:
1.25 A
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Mutual induction is dependent on
A:
winding ratios
B:
output polarities
C:
dc voltage levels
D:
current changes
Answer: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The transformer turns ratio determines
A:
the ratio of primary and secondary voltages
B:
the ratio of primary and secondary currents
C:
the reflected impedance
D:
all of the above
Answer: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️

What is the secondary voltage in the given circuit?

A:
13.3 V rms in phase with the primary
B:
120 V rms in phase with the primary
C:
13.3 V rms out of phase with the primary
D:
120 V rms out of phase with the primary
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
What is the turns ratio of the transformer needed to match a 1 komega.gif source resistance to a 160 omega.gif load?
A:
2.5:1
B:
0.4:1
C:
6.25:1
D:
16:1
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz