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Electronic Principles

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
None of these
300 mW
200 mW

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Electronic Principles
What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?

None of these
1234 Ohm
692.2 Ohm
844.5 Ohm
3890 Ohm

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Electronic Principles
The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor?

350 µA
0.25 µA
None of these
300 µA
250 µA

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

voltage generators
None of these
solar cells
chemical cells
piezoeletric cells

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Electronic Principles
What form of energy is used for creating static electricity?

Solar energy
Chemical energy
Light energy
Mechanical energy
None of these

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Electronic Principles
Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value?

37.4 V
38.74 V
35.4 V
None of these
30.4 V

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