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Electronic Principles

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

3.2 mA
0.05 mA
None of these
3.75 mA
13 mA

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Electronic Principles
How many types of flow are there in a semiconductor?

1
3
None of these
2

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Electronic Principles
Doubling the operating frequency of a capacitive circuit:

multiplies the capacitive reactance by 6.28
has no effect on the capacitive reactance
None of these
doubles the amount of a capacitive reactance
cuts the capacitive reactance in half

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Electronic Principles
What kind of device is a diode?

Linear
Nonlinear
None of these
Bilateral
Unipolar

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Electronic Principles
If the current gain is 200 and the collector current is 100 mA, the base current is

2 mA
0.083333333333333
None of these
0.5 mA
200 A

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Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W?

224 ohm
77.7 ohm
88.8 ohm
None of these
89.3 ohm

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