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Electronic Principles

Electronic Principles
Who invented the first junction transistor?

Gomes
Shockley
Smith
Fisher
None of these

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Electronic Principles
How much power is being dissipated by a 1000 W resistance that has 25 V applied to it?

325 kW
0.24 W
0.625 W
None of these
80 W

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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?

20 mW
10 mW
200 mW
None of these
300 mW

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Electronic Principles
A battery is a device composed of one or more:

solar cells
voltage generators
piezoeletric cells
None of these
chemical cells

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Electronic Principles
Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold

22, 000 Ohm, 10%
None of these
22,000 Ohm, 5%
220 Ohm, 10%
220 Ohm, 5%

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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?

None of these
3.75 mA
0.05 mA
13 mA
3.2 mA

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