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Electronic Devices - Diode Applications

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Exercise

"Life is like riding a bicycle. To keep your balance you must keep moving."
- Albert Einstein
1. 

Determine the total discharge time for the capacitor in a clamper having C = 0.01 F and R = 500 k.

A. 5 ms
B. 25 ms
C. 2.5 ms
D. 50 ms

2. 

Which element dictates the maximum level of source voltage?

A. VZ
B. IZM
C. IZ
D. None of the above

3. 

What type of diode circuit is used to clip off portions of signal voltages above or below certain levels?

A. clipper or limiter
B. clamper
C. IC voltage regulator
D. none of the above

4. 

Each diode in a center-tapped full-wave rectifier is ________ -biased and conducts for ________ of the input cycle.

A. forward, 90º
B. reverse, 180º
C. forward, 180º
D. reverse, 90º

5. 

What is the voltage measured from the negative terminal of C4 to the negative terminal of the transformer?

A. –10 V
B. –20 V
C. 10 V
D. 20 V




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