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Electronic Devices - Thyristors

Exercise : Thyristors - General Questions
1.
The ________ can be externally programmed to turn on at a desired anode-to-gate voltage level.
UJT
PUT
SCR
SCS
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
You need a very efficient thyristor to control the speed of an AC fan motor. A good device to use would be
a 4-layer diode.
a PUT.
a triac.
a BJT.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
An application of a(n) ________ is in a lighting system for power interruptions.
SCR
SCS
diac
triac
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Identify the symbol:
SCS
PUT
LASCR
diac
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The silicon-controlled switch (SCS) is similar in construction to the
triac.
diac.
SCR.
4-layer diode.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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