Electronic Principles - Section 2 | Multiple Questions and Answers

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Electronic Principles - Section 2 Multiple Questions and Answers.

36.	A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode?

	A.	55 A
	B.	55.86 A
	C.	18.2 mA
	D.	16.3 mA

37.	Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode

	A.	11 mA
	B.	12 mA
	C.	10 mA
	D.	14 mA

38.	The graph of current gain versus collector current indicates that the current gain

	A.	varies enormously
	B.	is contant
	C.	varies slightly
	D.	equals the collector current divided by the base current

39.	Which one of the following statements is true for the currents in a parallel RL circuit?

	A.	The total current is equal to the sum of the currents through the resistance and inductance
	B.	The current always has the same amplitude and phase for every part of the circuit
	C.	The total current is less than the sum of the currents through the resistance and inductance
	D.	The total current leads the total voltage by less than 90

40.	What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W?

	A.	77.7 ohm
	B.	89.3 ohm
	C.	88.8 ohm
	D.	224 ohm

Read More :

» Electronic Principles - Section 1

» Electronic Principles - Section 2

» Electronic Principles - Section 3

» Electronic Principles - Section 4

» Electronic Principles - Section 5

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