21. |
The knee voltage of a diode is approximately equal to the |
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22. |
A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? |
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23. |
The rms value of a sine waveform is: |
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24. |
Which one of the following is a direct statement of Ohm's law? |
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25. |
A high-pass filter: |
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