ELECTRONIC PRINCIPLES QUIZ

Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value?

35.4 V

30.4 V

38.74 V

37.4 V

None of these

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YOUR ANSWER : ?

How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source?

2.02 A

157 raA

None of these

0.151 mA

0.995 mA

TRUE ANSWER : ?
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Doubling the operating frequency of an inductive circuit:

multiplies the inductive reactance by 6.28

doubles the amount of inductive reactance

cuts the inductive reactance in half

None of these

has no effect on the inductive reactance

TRUE ANSWER : ?
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A battery is a device composed of one or more:

piezoeletric cells

None of these

chemical cells

solar cells

voltage generators

TRUE ANSWER : ?
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The nucleus of the copper atom contains how many protons?

4

None of these

29

1

18

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What is the algebraic sum of this series of values:+2, -3, -6,+4?

None of these

2

-6

-3

TRUE ANSWER : ?
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A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff?

2 k Ohm

None of these

20 k Ohm

10 k Ohm

1 k Ohm

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The equivalent of 1 micro A is:

one million amperes

10000A

one-millionth of an ampere

None of these

1000 A

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When operating above its resonant frequency, a series RLC circuit has the characteristics of a:

series RC circuit

purely resistive circuit

series RLC circuit operated below its resonant frequency

series RL circuit

None of these

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Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?

0.17 V

None of these

18.8 V

10.17 V

20 V

TRUE ANSWER : ?
YOUR ANSWER : ?

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