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Electronic Devices - Semiconductors

@ : Home > Electronic Devices > Semiconductors > General Questions

Exercise

"Love is like a war, Easy to begin Hard to end."
- (Proverb)
1. 

A silicon diode measures a low value of resistance with the meter leads in both positions. The trouble, if any, is

A. the diode is open.
B. the diode is shorted to ground.
C. the diode is internally shorted.
D. the diode is working correctly.

2. 

Single-element semiconductors are characterized by atoms with ____ valence electrons.

A. 3
B. 4
C. 5
D. 2
E. none of the above

3. 

Under normal conditions a diode conducts current when it is

A. reverse-biased.B. forward-biased.
C. avalanched.D. saturated.

4. 

A diode conducts when it is forward-biased, and the anode is connected to the ________ through a limiting resistor.

A. positive supply
B. negative supply
C. cathode
D. anode

5. 

As the forward current through a silicon diode increases, the internal resistance

A. increases.
B. decreases.
C. remains the same.




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