Electronics - Diodes and Applications

Exercise :: Diodes and Applications - Filling the Blanks

1. 

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A ___ is created when an electron moves from the valence band to the conduction band.

A. hole
B. gap
C. vacancy
D. blank

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

2. 

The average value of the half-wave rectified output voltage is approximately __________ of Vp.

A. 31.8%
B. 63.6%
C. 70.7%
D. 100%

Answer: Option A

Explanation:

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3. 

Typically the forward voltage on an LED is between _______ and ________.

A. 1.5 V, 3.7 V
B. 0.7 V, 1.1 V
C. 1 V, 3 V
D. 1 V, 6 V

Answer: Option C

Explanation:

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4. 

A two-diode rectifier will not operate without a _________.

A. center-tapped transformer
B. voltage regulator
C. capacitive filter
D. phase-inverting transformer

Answer: Option A

Explanation:

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5. 

The name of the circuit in the given circuit is the ___.

A. half-wave rectifier
B. center-tapped full-wave rectifier
C. full-wave bridge rectifier
D. half-wave bridge rectifier

Answer: Option C

Explanation:

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