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Computer Science - Electronic Principles

Exercise : Electronic Principles - Section 1
26.
Which one of the following statements is true for the voltages in a series RC circuit?
The total voltage is equal to the sum of the voltages across the resistance and capacitance
The voltage always has the same amplitude and phase for every part of the circuit
The total voltage is less than the sum of the voltages across the resistance and capacitance
The total voltage is greater than the sum of the voltages across the resistance and capacitance
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
A battery is a device composed of one or more:
chemical cells
voltage generators
solar cells
piezoeletric cells
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Doubling the operating voltage of a purely capacitive circuit:
has no effect on the capacitive reactance
doubles the amount of capacitive reactance
multiplies the capacitive reactance by 7
cuts the capacitive reactance in half
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?
0.02 A
0.955 A
10 A
2.02 A
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor?
250 μA
350 μA
0.25 μA
300 μA
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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