Electronic Principles
An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current?

None of these
28.4 mA
24.2 mA
34.4 mA
68.4 mA

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

The current waveform for each component always has the same amplitude and phase as the applied current
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
All of these

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