Electrical Engineering (EE)  >  Power Electronics  >  Test: Other Thyristor Members Download as PDF

Test: Other Thyristor Members


Test Description

20 Questions MCQ Test Power Electronics | Test: Other Thyristor Members

Test: Other Thyristor Members for Electrical Engineering (EE) 2023 is part of Power Electronics preparation. The Test: Other Thyristor Members questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Other Thyristor Members MCQs are made for Electrical Engineering (EE) 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Other Thyristor Members below.
Solutions of Test: Other Thyristor Members questions in English are available as part of our Power Electronics for Electrical Engineering (EE) & Test: Other Thyristor Members solutions in Hindi for Power Electronics course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt Test: Other Thyristor Members | 20 questions in 20 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study Power Electronics for Electrical Engineering (EE) Exam | Download free PDF with solutions
1 Crore+ students have signed up on EduRev. Have you?
Test: Other Thyristor Members - Question 1

_________ device from the thyristor family has its gate terminal connected to the n-type material near the anode.

Detailed Solution for Test: Other Thyristor Members - Question 1

PUT is Programmable Unijunction Transistor which is a p-n-p-n device just like the SCR with its gate connected to the n-type material.

Test: Other Thyristor Members - Question 2

The Programmable Unijunction Transistor (PUT) turns on & starts conducting when the

Detailed Solution for Test: Other Thyristor Members - Question 2

 The device only starts to conduct when the forward anode to cathode voltage exceeds the applied gate to cathode voltage.

Test: Other Thyristor Members - Question 3

 The equivalent circuit of SUS (Silicon Unilateral Switch) consists of

Detailed Solution for Test: Other Thyristor Members - Question 3

It is a diode connected in anti-parallel with a PUT.

Test: Other Thyristor Members - Question 4

 From the following list of devices, choose the device that only turns-on for a fixed-value of anode-cathode voltage

Detailed Solution for Test: Other Thyristor Members - Question 4

Unlike the other devices the SUS only turns-on for a fixed value of anode to cathode voltage.

Test: Other Thyristor Members - Question 5

 The SCS (Silicon Controlled Switch) is a

Detailed Solution for Test: Other Thyristor Members - Question 5

The SCS is a four terminal device A,K,KG & AG.

Test: Other Thyristor Members - Question 6

The SCS is a four layer, four terminal thyristor. Can be turned on by

Detailed Solution for Test: Other Thyristor Members - Question 6

The SCS has two gates, anode-gate and cathode-gate. Either of the gates could be used to turn on the device.

Test: Other Thyristor Members - Question 7

The SCS (Silicon Controlled Switch) can be turned on by two methods, by applying __________ and __________

Detailed Solution for Test: Other Thyristor Members - Question 7

 Either of the gates could be used to turn on the device.

Test: Other Thyristor Members - Question 8

 Which of the following devices provide complete isolation between triggering circuit and power circuit?

Detailed Solution for Test: Other Thyristor Members - Question 8

Complete Isolation between triggering circuit & power circuit is the major advantage of using LASCR as they are light activated or light trigged.

Test: Other Thyristor Members - Question 9

The DIAC can be represented by

Detailed Solution for Test: Other Thyristor Members - Question 9

The DIAC is nothing but a bi-directional diode.

Test: Other Thyristor Members - Question 10

The TRIAC can be represented by

Detailed Solution for Test: Other Thyristor Members - Question 10

The TRIAC is a bidirectional SCR.

Test: Other Thyristor Members - Question 11

The SITH (Static Induction Thyristor) is a

Detailed Solution for Test: Other Thyristor Members - Question 11

 It is just like a GTO but it is p-n-n device.

Test: Other Thyristor Members - Question 12

The SITH has

Detailed Solution for Test: Other Thyristor Members - Question 12

The SITH has 3 terminals viz. gate, anode and cathode.

Test: Other Thyristor Members - Question 13

The SITH is a

Detailed Solution for Test: Other Thyristor Members - Question 13

The Static Induction Thyristor is a p+ n+ diode with p+ electrodes.

Test: Other Thyristor Members - Question 14

The SITH is a

Detailed Solution for Test: Other Thyristor Members - Question 14

The SITH unlike other devices is a normally on-device which can be switched off as and when required

Test: Other Thyristor Members - Question 15

The SITH will act as a diode when the

Detailed Solution for Test: Other Thyristor Members - Question 15

Load current flows from anode to cathode as the p+ junction is forward biased.

Test: Other Thyristor Members - Question 16

In SITH, the magnitude of the anode current can be controlled by

Detailed Solution for Test: Other Thyristor Members - Question 16

Controlling the negative gate bias controls the main anode current.

Test: Other Thyristor Members - Question 17

 The SITH

Detailed Solution for Test: Other Thyristor Members - Question 17

 It has no reverse blocking capabilities due to emitter-shorting

Test: Other Thyristor Members - Question 18

 The TRIAC’s terminals are

Detailed Solution for Test: Other Thyristor Members - Question 18

 TRAIC has MT1, MT2 and a gate.

Test: Other Thyristor Members - Question 19

The RCT (Reverse Conducting Thyristor) has

Detailed Solution for Test: Other Thyristor Members - Question 19

A diode in anti-parallel with the SCR is called as a RCT.

Test: Other Thyristor Members - Question 20

The TRIAC is most sensitive in the _________ quadrants

Detailed Solution for Test: Other Thyristor Members - Question 20

It is the most sensitive when all the voltage,current and gate signal have the same polarities.

5 videos|39 docs|63 tests
Use Code STAYHOME200 and get INR 200 additional OFF
Use Coupon Code
Information about Test: Other Thyristor Members Page
In this test you can find the Exam questions for Test: Other Thyristor Members solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Other Thyristor Members, EduRev gives you an ample number of Online tests for practice