Electronic Principles - Section 2 | Multiple Questions and Answers

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Electronic Principles - Section 2 Multiple Questions and Answers.

16.	The value of a capacitor can be made larger by:

	A.	increasing the area of the plates
	B.	decreasing the area of the plates
	C.	increasing the frequency of the applied voltage
	D.	increasing the voltage applied to the plates

17.	The value of a capacitor can be made larger by:

	A.	moving the plates further apart
	B.	moving the plates closer together
	C.	increasing the voltage applied to the plates
	D.	decreasing the voltage applied to the plates

18.	The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio?

	A.	0.25
	B.	180
	C.	0.5
	D.	4

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?

	A.	5 Ohm
	B.	50 Ohm or more
	C.	100 Ohm
	D.	6 Ohm

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?

	A.	Clockwise
	B.	Counterclockwise
	C.	Out of this page
	D.	Into this page

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» Electronic Principles - Section 1

» Electronic Principles - Section 2

» Electronic Principles - Section 3

» Electronic Principles - Section 4

» Electronic Principles - Section 5

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