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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?

0.995 mA
2.02 A
0.151 mA
None of these
157 raA

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Electronic Principles
The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor?

250 µA
300 µA
None of these
0.25 µA
350 µA

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Electronic Principles
A loadstone is:

a temporary magnet
an artificial magnet
a paramagnetic alloy
a natural magnet
None of these

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Electronic Principles
What kind of device is a diode?

Linear
Nonlinear
Bilateral
Unipolar
None of these

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

watt
volt
ampere
ohm
None of these

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Electronic Principles
A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff?

20 k Ohm
10 k Ohm
None of these
1 k Ohm
2 k Ohm

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