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?

None of these
10.17 V
18.8 V
20 V
0.17 V

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

The actual frequency of a sine waveform is 1.41 times the working frequency
Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz
None of these
The longer the period of a waveform, the lower its frequency
The higher the amplitude of a waveform, the higher its frequency

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Electronic Principles
A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?

None of these
100 V and a series resistance of 10 k Ohm
1000 V and a series resistance of 10 k Ohm
1000 V and a parallel resistance of 10 kOhm
100 V and a parallel resistance of 10 k Ohm

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