MSBTE I Scheme Practice MCQs of “Basic
Electronics (22225)”
UNIT-3. Sensor and Tranducers.
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1. |
A TRIAC: |
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Answer: Option D Explanation: No answer description available
for this question. |
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2. |
When checking a good SCR or
TRIAC with an ohmmeter it will: |
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Answer: Option A Explanation: No answer description available
for this question. |
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3. |
What does a hall effect sensor
sense? |
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Answer: Option C Explanation: No answer description available
for this question. |
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4. |
What causes the piezoelectric
effect? |
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Answer: Option B Explanation: No answer description available
for this question. |
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5. |
Which is the DIAC? |
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Answer: Option A Explanation: No answer description available
for this question. |
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6. |
A UJT has: |
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Answer: Option D Explanation: No answer description available
for this question |
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7. |
The only way to close an SCR is
with: |
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Answer: Option B Explanation: No answer description available
for this question. |
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8. |
What is an SCR? |
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Answer: Option A Explanation: No answer description available
for this question. |
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9. |
What type of application would
use a photovoltaic cell? |
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Answer: Option D Explanation: No answer description available
for this question. |
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10. |
Which is the seven-segment
display? |
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Answer: Option A Explanation: No answer description available
for this question. |
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11. |
The smallest amount of current
that the cathode-anode can have, and still sustain conduction of an SCR is
called the: |
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Answer: Option D Explanation: No answer description available
for this question. |
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12. |
Once a DIAC is conducting, the
only way to turn it off is with: |
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Answer: Option C Explanation: No answer description available
for this question. |
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13. |
Which is the TRIAC? |
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Answer: Option D Explanation: No answer description available
for this question. |
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14. |
The DIAC is a: |
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Answer: Option D Explanation: No answer description available
for this question. |
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15. |
What type of application would
use an injection laser diode? |
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Answer: Option C Explanation: No answer description available
for this question. |
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16. |
The PUT (programmable
unijunction transistor) is actually a type of: |
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Answer: Option A Explanation: No answer description available
for this question. |
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17. |
A transducer's function is to: |
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Answer: Option B Explanation: No answer description available
for this question. |