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Electronic Devices - PNPN

Exercise : PNPN - General Questions
16.
Which of the following devices has nearly the same turn-on time as turn-off time?
SCR
GTO
SCS
LASCR
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
This symbol is an example of a(n) ________.

SCR
SCS
GTO
DIAC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Which of the transistors of an SCR are conducting when the SCR is fired and is in the conduction mode?
npn
pnp
Both npn and pnp
Neither npn nor pnp
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
For an SCS, a ________ pulse at the anode gate turns the device on, while a ________ pulse will turn it off.
negative, positive
positive, negative
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
An advantage of the SCR over the SCS is the reduced turn-off time.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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