Electronics - Thyristors and Tranducers
Exercise :: Thyristors and Tranducers - General Questions
| 6. |
A UJT has: |
| A. |
two base leads | | B. |
one emitter lead | | C. |
two emitter leads and one base lead | | D. |
one emitter lead and two base leads |
Answer: Option D
Explanation:
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| 7. |
The only way to close an SCR is with: |
| A. |
a trigger input applied to the gate | | B. |
forward breakover voltage | | C. |
low-current dropout | | D. |
valley voltage |
Answer: Option B
Explanation:
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| 8. |
What is an SCR? |
| A. |
a PNPN thyristor with 3 terminals | | B. |
a PNPN thyristor with 4 terminals | | C. |
a PNP thyristor with 3 terminals | | D. |
an NPN thyristor with 3 terminals |
Answer: Option A
Explanation:
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| 9. |
What type of application would use a photovoltaic cell? |
| A. |
an automobile horn | | B. |
a TI 92 calculator | | C. |
a magnetic field detector | | D. |
a remote power source |
Answer: Option D
Explanation:
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| 10. |
Which is the seven-segment display? |
Answer: Option A
Explanation:
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