Computer Science - Electronic Principles

11.
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?
60 Ohm
99.3 Ohm
250 Ohm
70.7Ohm
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
Current can flow through a normally open push button switch as long as:
you are pressing the button
you are not pressing the button
its contact remain open
its contact remain open
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
Doubling the operating frequency of a purely capacitive circuit:
has no effect on the total circuit current
doubles the amount of total current
cuts the total current by one-half
thrice the amount of total current
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source?
0.151 mA
157 raA
0.995 mA
2.02 A
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current?
28.4 mA
24.2 mA
34.4 mA
68.4 mA
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.