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Computer Science - Electronic Principles

Exercise : Electronic Principles - Section 5
16.
The total inductive reactance of a parallel inductor circuit is:
equal to the sum of the individual inductive-reactance values
equal to the sum of the individual inductance values
equal to the source voltage divided by total current
less than the inductance value of the smallest inductor
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage?
12 V
18 V
24 V
30 V
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Norton's theorem replaces a complicated circuit facing a load by an
Ideal voltage source and parallel resistor
Ideal current source and parallel resistor
Ideal voltage source and series resistor
Ideal current source and series resistor
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Which one of the following statements regarding ac circuits is correct?
Current and voltage are in phase through an inductor
Current leads the voltage through an inductor
Current lags the voltage through an inductor
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Doubling the operating frequency of a capacitive circuit:
doubles the amount of a capacitive reactance
has no effect on the capacitive reactance
cuts the capacitive reactance in half
multiplies the capacitive reactance by 6.28
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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