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Electronic Principles

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

30.4 V
35.4 V
37.4 V
38.74 V
None of these

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Electronic Principles
For normal operation of the transistor, the collector diode has to be

None of these
Operating in the breakdown region
Nonconducting
Forward-biased
Reverse-biased

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Electronic Principles
1 Microfarad is the same as:

1 million picofarads
1 million farads
None of these
1000 millifarads
1 millionth of a picofarad

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

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

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Electronic Principles
Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating?

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

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Electronic Principles
What form of energy is used for creating static electricity?

Light energy
Solar energy
None of these
Mechanical energy
Chemical energy

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