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Electronic Principles

Electronic Principles
A device that converts light energy to electrical energy is called a:

photodiode
None of these
solar cell
thermocouple
photo transistor

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Electronic Principles
The Norton current is sometimes called the

Open-load current
None of these
Thevenin current
Thevenin voltage
Shorted-load current

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Electronic Principles
If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?

0 V
None of these
60 V
40 V
36 V

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Electronic Principles
A device that converts thermal energy to electrical energy is called a:

thermocouple
solar cell
None of these
piezoelectric devices
chemical cell

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

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

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Electronic Principles
Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?

I = E/R
E = I2R
E = PR
None of these
I = ER

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