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Electronic Principles

Electronic Principles
The net charge of a neutral copper atom is

1
None of these
4
-1

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Electronic Principles
The barrier potential accross each depletion layer is

0.8 V
20 V
None of these
0.7 V

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Electronic Principles
A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation?

300 mW
200 mW
20 mW
None of these
10 mW

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Electronic Principles
What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz?

628 Ohm
100 Ohm
None of these
444 Ohm
Less than 1 Ohm

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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
0.151 mA
0.995 mA
157 raA

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Electronic Principles
If the base supply voltage increases, the Q point moves

None of these
nowhere
down
up
off the load line

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