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Electronic Principles

Electronic Principles
Positive ions are atoms that have

Lost a proton
Lost an electron
Gained a proton
Gained an electron
None of these

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

0.955 A
0.02 A
None of these
0.41666666666667
2.02 A

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Electronic Principles
Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance?

P = IE
P = I2R
I = P/E
None of these
P = E2/R

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Electronic Principles
Doubling the operating frequency of a purely capacitive circuit:

doubles the amount of total current
thrice the amount of total current
has no effect on the total circuit current
cuts the total current by one-half
None of these

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

chemical cells
voltage generators
piezoeletric cells
solar cells
None of these

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Electronic Principles
Reducing the amount of current through an inductor:

None of these
multiplies the value of inductance by two
has no effect on the inductance
reduces the value of inductance by one-half
multiplies the value of inductance by four

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