Canadian Advanced pool, section 2-05

Advanced

This is an old (expired) question pool. Click here to go to the current version

Subelement 2

Advanced Components and Circuits

Section 2-05

silicon controlled rectifier (SCR)

2-05-01

What are the three terminals of a silicon controlled rectifier (SCR)?

A.
Gate, base 1 and base 2
B.
Base, collector and emitter
Correct Answer
C.
Anode, cathode and gate
D.
Gate, source and sink

2-05-01

This question does not yet have an explanation! Register to add one

Tags: none

2-05-02

What are the two stable operating conditions of a silicon controlled rectifier (SCR)?

A.
Forward conducting and reverse conducting
Correct Answer
B.
Conducting and non-conducting
C.
NPN conduction and PNP conduction
D.
Oscillating and quiescent

2-05-02

This question does not yet have an explanation! Register to add one

Tags: none

2-05-03

When a silicon controlled rectifier (SCR) is triggered, to what other semiconductor diode are its electrical characteristics similar (as measured between its cathode and anode)?

Correct Answer
A.
The junction diode
B.
The PIN diode
C.
The hot-carrier diode
D.
The varactor diode

2-05-03

This question does not yet have an explanation! Register to add one

Tags: none

2-05-04

Under what operating condition does a silicon controlled rectifier (SCR) exhibit electrical characteristics similar to a forward-biased silicon rectifier?

A.
When it is gated "off"
B.
When it is used as a detector
C.
During a switching transition
Correct Answer
D.
When it is gated "on"

2-05-04

This question does not yet have an explanation! Register to add one

Tags: none

2-05-05

The silicon controlled rectifier (SCR) is what type of device?

Correct Answer
A.
PNPN
B.
NPPN
C.
PNNP
D.
PPNN

2-05-05

This question does not yet have an explanation! Register to add one

Tags: none

2-05-06

The control element in the silicon controlled rectifier (SCR) is called the:

A.
anode
B.
cathode
C.
emitter
Correct Answer
D.
gate

2-05-06

This question does not yet have an explanation! Register to add one

Tags: none

2-05-07

The silicon controlled rectifier (SCR) is a member of which family?

A.
Phase locked loops
B.
Varactors
Correct Answer
C.
Thyristors
D.
Varistors

2-05-07

This question does not yet have an explanation! Register to add one

Tags: none

2-05-08

In amateur radio equipment, which is the major application for the silicon controlled rectifier (SCR)?

Correct Answer
A.
Power supply overvoltage "crowbar" circuit
B.
Class C amplifier circuit
C.
Microphone preamplifier circuit
D.
SWR detector circuit

2-05-08

This question does not yet have an explanation! Register to add one

Tags: none

2-05-09

Which of the following devices has anode, cathode, and gate?

A.
The bipolar transistor
Correct Answer
B.
The silicon controlled rectifier (SCR)
C.
The field effect transistor
D.
The triode vacuum tube

2-05-09

This question does not yet have an explanation! Register to add one

Tags: none

2-05-10

When it is gated "on", the silicon controlled rectifier (SCR) exhibits electrical characteristics similar to a:

A.
reverse-biased silicon rectifier
B.
forward-biased PIN diode
C.
reverse-biased hot-carrier diode
Correct Answer
D.
forward-biased silicon rectifier

2-05-10

This question does not yet have an explanation! Register to add one

Tags: none

2-05-11

Which of the following is a PNPN device?

A.
PIN diode
B.
Hot carrier diode
C.
Zener diode
Correct Answer
D.
Silicon controlled rectifier (SCR)

2-05-11

This question does not yet have an explanation! Register to add one

Tags: none

Log in

- or -

- or -