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Computer Science - Electronic Principles

Exercise : Electronic Principles - Section 5
31.
Which one of the following principles best describes the basic operation of a generator?
Like magnetic poles repel; unlike poles attract
Current is induced in a conductor that is moving through a magnetic field
Like magnetic poles attract; unlike poles repel
Current flowing through a conductor generates a magnetic field
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The current gain of a transistor is defined as the ratio of the collector current to the
base current
emitter current
supply current
collector current
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm?
220 ohm
150 ohm
445 ohm
690 ohm
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The equivalent of 1 kV is:
1.00 V
1000 V
100 mV
1000 mV
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The period of a waveform is:
the time required to complete one full cycle
the number of cycles completed in one second
the time required for the voltage to rise from 10% to 90% of the peak amplitude
equal to 0.707 times the peak amplitude
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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