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Computer Science - Electronic Principles

Exercise : Electronic Principles - Section 3
21.
When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a:
parallel RL circuit
parallel RC circuit
parallel RLC circuit operated above its resonant frequency
purely resistive circuit
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Doubling the operating frequency of an inductive circuit:
has no effect on the inductive reactance
doubles the amount of inductive reactance
multiplies the inductive reactance by 6.28
cuts the inductive reactance in half
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?
1000 V and a series resistance of 10 k Ohm
100 V and a parallel resistance of 10 k Ohm
100 V and a series resistance of 10 k Ohm
1000 V and a parallel resistance of 10 kOhm
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which one of the following statements is true?
Power dissipation of a pure capacitor increases with operating frequency
Power dissipation of a pure capacitor decreases with operating frequency
There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding?
50 A
12 A
5 A
20 A
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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