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Electronic Principles

Electronic Principles
Which is the most widely used semiconductor?

Germanium
Silicon
Copper
None of these
All of these

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Electronic Principles
Norton's theorem replaces a complicated circuit facing a load by an

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

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Electronic Principles
A transistor has how many doped regions?

4
3
None of these
2
1

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Electronic Principles
Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?

None of these
E = I2R
I = E/R
E = PR
I = ER

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

0.41666666666667
0.955 A
None of these
2.02 A
0.02 A

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Electronic Principles
Inductive reactance is measured in units of:

volts per second
None of these
Ohm
henrys
amperes per second

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