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Thyristors and Tranducers
Comments
Question
Which is the TRIAC?
Options
A.
B.
C.
D.
Correct Answer
Thyristors and Tranducers problems
Search Results
1. What type of application would use an injection laser diode?
Options
A. a 10BASE-T Ethernet
B. a liquid crystal display
C. a fiber optic transmission line
D. a good flashlight
Show Answer
Scratch Pad
Discuss
Correct Answer: a fiber optic transmission line
2. What causes the piezoelectric effect?
Options
A. heat or dissimilar metals
B. pressure on a crystal
C. water running on iron
D. a magnetic field
Show Answer
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Discuss
Correct Answer: pressure on a crystal
3. The PUT (programmable unijunction transistor) is actually a type of:
Options
A. UJT thyristor
B. FET device
C. TRIAC
D. SCR
Show Answer
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Discuss
Correct Answer: UJT thyristor
4. The smallest amount of current that the cathode-anode can have, and still sustain conduction of an SCR is called the:
Options
A. maximum forward current
B. maximum forward gate current
C. holding current
D. reverse gate leakage current
Show Answer
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Discuss
Correct Answer: reverse gate leakage current
5. A transducer's function is to:
Options
A. transmit electrical energy
B. convert energy
C. produce mechanical energy
D. prevent current flow
Show Answer
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Discuss
Correct Answer: convert energy
6. 3428 is the decimal value for which of the following binary coded decimal (BCD) groupings?
Options
A. 11010001001000
B. 11010000101000
C. 011010010000010
D. 110100001101010
Show Answer
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Discuss
Correct Answer: 11010000101000
7. What is the decimal value of the hexadecimal number 777?
Options
A. 191
B. 1911
C. 19
D. 19111
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Discuss
Correct Answer: 1911
8. Convert the binary number 1001.0010 to decimal.
Options
A. 125
B. 12.5
C. 90.125
D. 9.125
Show Answer
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Discuss
Correct Answer: 9.125
9. The weight of the LSB as a binary number is:
Options
A. 1
B. 2
C. 3
D. 4
Show Answer
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Discuss
Correct Answer: 1
10. What is the result when a decimal 5238 is converted to base 16?
Options
A. 327.375
B. 12166
C. 1388
D. 1476
Show Answer
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Discuss
Correct Answer: 1476
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Semiconductor Principles
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