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Electronics - Inductors

Exercise : Inductors - General Questions
51.
The output phase for a transformer is:
in phase with the input
out of phase with the input
dependent on the direction of the primary and secondary windings
dependent on the frequency of the primary source
Answer: Option
Explanation:
No answer description is available. Let's discuss.
52.
Opposition to current flow without the dissipation of energy is called:
resistance
inductive reactance
counter emf
impedance
Answer: Option
Explanation:
No answer description is available. Let's discuss.
53.
With 100 Vac applied to the primary of a transformer so that it draws 500 mA, what will be the 300 Vac secondary current?
1500 mA
200 mA
167 mA
150 mA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
54.
Which coil would be used as a step-up transformer primary if coil number 1 has 100 more turns than coil number 2?
The coil windings must be the same.
coil 1
The coil ratio is too small.
coil 2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
55.
Find IR and IL.

mcq8_1035_1.gif
IR = 50 mA, IL = 109 mA
IR = 150 mA, IL = 9 mA
IR = 50 mA, IL = 151 mA
IR = 150 mA, IL = 53 mA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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