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?

10.17 V
18.8 V
20 V
0.17 V
None of these

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Electronic Principles
Which one of the following statements best applies to a parallel RLC circuit?

The current waveform for each component always has the same amplitude and phase as the applied current
All of these
The voltage waveform for each component always has the same amplitude and phase as the applied voltage
None of these
The sum of the current is always less than the applied current

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Electronic Principles
The peak value of a sine waveform is:

the maximum positive or negative value
the amplitude at 90% of the maximum value
the amplitude at 1.41 times the maximum value
the amplitude at 70.7% of the maximum value
None of these

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