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Electronic Principles

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

2.02 A
None of these
0.995 mA
0.151 mA
157 raA

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Electronic Principles
The basic unit of measurement for current is the:

volt
watt
None of these
ohm
ampere

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Electronic Principles
At room temperature an intrinsic semiconductor has

None of these
many holes
No holes
a few free electrons and holes
many free electrons

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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?

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

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Electronic Principles
Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff?

20 Ohm
30 Ohm
None of these
100 Ohm
10 Ohm

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Electronic Principles
A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value?

None of these
90 Ohm - 101 ohm
99 Ohm - 102 ohm
98 Ohm - 100.1 ohm
90 Ohm - 110 ohm

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