Question

Q.1. A light activated silicon controlled rectifier is a.
(c)
(a) two-layer two-junction device
(b) three-layer two-junction device
four-layer three-junction device
(d) four-layer four-junction device.
Q.2. The most commonly used method for firing an SCR is the.
(a) radiation triggering process
(b) gate triggering process
(c) voltage triggering process
(d) thermal triggering process.
Q.3. The number of gates in a silicon controlled switch is.
(a)
(6) two
(c) three
(d) four.
Q.4. An SCR is a.
(a) two-layer two-junction device
(b) three-layer two-junction device
(c) four-layer three-junction device
(d) four-layer four-junction device.
Q.5. The valve of the holding current of an SCR is.
(a) equal to one fourth of the value of its latching current
(6) is slightly less than the value
one​

Answer 1

Explanation:

1. four-layer three-junction device
2. voltage triggering process is the most common method of triggering the SCR
3. four
4. four-layer three-junction device
5. slightly less than the value
6. one