Electronic Principles - Section 1 | Multiple Questions and Answers

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Electronic Principles - Section 1 Multiple Questions and Answers.

41.	Holes are the minority carriers in which type of semiconductor?

	A.	Extrinsic
	B.	Intrinsic
	C.	n-type
	D.	p-type

42.	Doubling the number of turns of wire in an inductor:

	A.	reduces the value of inductance by one-half
	B.	multiplies the value of inductance by two
	C.	multiplies the value of inductance by four
	D.	reduces the value of inductance by one-fourth

43.	A farad is defined as the amount of capacitance necessary for:

	A.	dissipating 1 W of power
	B.	causing an ac phase shift greater than 90 degree
	C.	storing 1 V for 1 second
	D.	changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing

44.	What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz?

	A.	less than 1 Ohm
	B.	1590 Ohm
	C.	312 Ohm
	D.	690 Ohm

45.	A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding?

	A.	4.73
	B.	0.4 V
	C.	24 V
	D.	600 V

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» Electronic Principles - Section 5

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