# Electronics - Diodes and Applications

### Exercise :: Diodes and Applications - General Questions

31.

With a 12 V supply, a silicon diode, and a 370-ohm resistor in series, what voltage will be dropped across the diode?

 A. 0.3 V B. 0.7 V C. 0.9 V D. 1.4 V

Answer: Option B

Explanation:

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32.

If the frequency of the applied ac signal to a half-wave rectifier is 60 Hz, the frequency of the pulsating dc output will be

 A. 30 pps B. 60 pps C. 90 pps D. 120 pps

Answer: Option B

Explanation:

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33.

What is the peak output voltage for this half-wave rectifier? A. 1 V B. 7.8 V C. 10.9 V D. 15.6 V

Answer: Option B

Explanation:

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34.

Thermal shutdown occurs in an IC regulator if:

 A. power dissipation is too high B. internal temperature is too high C. current through the device is too high D. load resistance increases

Answer: Option B

Explanation:

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35.

The conduction band is closest to the valence band in

 A. semiconductors B. conductors C. insulators D. The distance is the same for all of the above.

Answer: Option A

Explanation:

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