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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
157 raA
0.995 mA
0.151 mA
None of these

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Electronic Principles
Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?

18.8 V
0.17 V
None of these
10.17 V
20 V

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Electronic Principles
A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current?

3.75 mA
0.05 mA
None of these
13 mA
3.2 mA

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Electronic Principles
When operating below its resonant frequency, a series RLC circuit has the characteristics of a:

series RC circuit
series RLC circuit operated above its resonant frequency
series RL circuit
purely resistive circuit
None of these

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Electronic Principles
If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point

nowhere
off the load line
None of these
down
up

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Electronic Principles
The net charge of a neutral copper atom is

1
-1
4
None of these

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