41.
Providing a constant output regardless of ac input or load resistance changes is the function of a:
A. transformer B. filter
C. regulator D. rectifier
Answer & Explanation
Answer: Option C
Explanation:
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42.
When a diode is destroyed it has infinite impedance. When damaged by heat it will probably:
A. short
B. conduct more
C. conduct less
D. open
Answer & Explanation
Answer: Option A
Explanation:
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43.
The area at the junction of p-type and n-type materials that has lost its majority carriers is called the
A. barrier potential
B. depletion region
C. n region
D. p region
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44.
DC power should be connected to forward bias a diode as follows:
A. – anode, + cathode
B. – cathode, – anode
C. + anode, – cathode
D. + cathode, + anode
Answer & Explanation
Answer: Option C
Explanation:
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45.
At any given time in an intrinsic piece of semiconductor material at room temperature
A. electrons drift randomly
B. recombination occurs
C. holes are created
D. All of the above
Answer & Explanation
Answer: Option D
Explanation:
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