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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?

157 raA
0.995 mA
None of these
0.151 mA
2.02 A

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Electronic Principles
What causes the depletion layer?

Doping
None of these
Recombination
Barrier potential
Ions

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Electronic Principles
The equivalent of 1 micro A is:

10000A
1000 A
one million amperes
one-millionth of an ampere
None of these

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Electronic Principles
Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff?

20 km or less
20 k Ohm or more
200 k Ohm or more
200 k Ohm or less
None of these

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Electronic Principles
Silicon atoms combine into an orderly pattern called a

Valence orbit
Crystal
Semiconductor
None of these
Covalent bond

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Electronic Principles
The Norton current is sometimes called the

Thevenin current
Shorted-load current
Open-load current
Thevenin voltage
None of these

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