Q.1
How many layers and junctions does an SCR have?
  • a) Four layers and three junctions
  • b) Three layers and four junctions
  • c) Three layers and three junctions
  • d) Four layers and four junctions
Q.2
An SCR is a ____
  • a) semiconductor device
  • b) full conductor device
  • c) inductor device
  • d) bidirectional device
Q.3
An SCR is a bidirectional device.
  • a) True
  • b) False
Q.4
The SCR is controlled through ____
  • a) anode
  • b) cathode
  • c) gate
  • d) anode and cathode
Q.5
What is the relation between the firing angle of SCR and the output?
  • a) Directly proportional to each other
  • b) Inversely proportional to each other
  • c) Independent of each other
  • d) Both are zero
Q.6
Gate loses control when the SCR starts conducting.
  • a) True
  • b) False
Q.7
What is the use of Fast acting current limiting fuses?
  • d) To stop the current
  • a) To protect SCR from over current
  • b) To turn on SCR
  • c) To increase the flow of current
Q.8
What are the main components used in a snubber circuit?
  • a) Resistors
  • b) Capacitors
  • c) Transistors
  • d) Resistors and Capacitors
Q.9
An SCR is a ____
  • a) N-P-N device
  • b) N-P-N-P device
  • c) P-N-P-N device
  • d) P-N-P device
Q.10
Which among the following are not the parts of SCR?
  • a) Anode
  • b) Cathode
  • c) Gate
  • d) Base
0 h : 0 m : 1 s