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Electronic Principles

Electronic Principles
A battery is a device composed of one or more:

piezoeletric cells
voltage generators
chemical cells
None of these
solar cells

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Electronic Principles
The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current?

14.8 µA
7.8 µA
7.75 µA
10.3 µA
None of these

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Electronic Principles
Current can flow through a normally open push button switch as long as:

its contact remain open
None of these
you are pressing the button
you are not pressing the button
its contact remain open

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

None of these
0.151 mA
157 raA
2.02 A
0.995 mA

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Electronic Principles
The Thevenin resistance is equal in value to the

Load resistance
Half the load resistance
Internal resistance of a Morton circuit
None of these
Open-load resistance

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Electronic Principles
The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values?

None of these
0.041666666666667
0.93 W
0.93 V
9.3 W

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