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Electronic Principles

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

35.4 V
30.4 V
37.4 V
38.74 V
None of these

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

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Electronic Principles
Thevenin theorem replaces a complicated circuit facing a load by an

None of these
Ideal voltage source and parallel resistor
Ideal current source and series resistor
Ideal current source and parallel resistor
Ideal voltage source and series resistor

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Electronic Principles
Which one of the following kinds of materials has the highest permeability?

All of these
None of these
A ferromagnetic material
A diamagnetic material
A paramagnetic material

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Electronic Principles
Holes are the minority carriers in which type of semiconductor?

Extrinsic
Intrinsic
None of these
n-type
p-type

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Electronic Principles
At room temperature a conductor has low many holes?

None of these
less than the free electrons
Only those produced by thermal energy
many
Same number as free electrons

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