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Computer Science - Electronic Principles

Exercise : Electronic Principles - Section 2
16.
The value of a capacitor can be made larger by:
increasing the area of the plates
decreasing the area of the plates
increasing the frequency of the applied voltage
increasing the voltage applied to the plates
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The value of a capacitor can be made larger by:
moving the plates further apart
moving the plates closer together
increasing the voltage applied to the plates
decreasing the voltage applied to the plates
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio?
0.25
180
0.5
4
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff?
5 Ohm
50 Ohm or more
100 Ohm
6 Ohm
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field?
Clockwise
Counterclockwise
Out of this page
Into this page
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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