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Electronic Principles

Electronic Principles
What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it?

122 W
6 W
64 W
None of these
3 W

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

voltage generators
chemical cells
None of these
piezoeletric cells
solar cells

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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?

0.151 mA
2.02 A
None of these
0.995 mA
157 raA

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Electronic Principles
How much power is being dissipated by a 1000 W resistance that has 25 V applied to it?

None of these
325 kW
0.24 W
80 W
0.625 W

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Electronic Principles
To get the Thevenin voltage, you have to

None of these
Open the load resister
Open the voltage source
Short the voltage source
Short the load resistor

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Electronic Principles
What is the smallest number of polarities required for current flow?

None of these
Four - two negative and two positive
One - a negative terminal
Three - negative, positive and neutral terminals
Two - a negative terminal and a positive terminal

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