Exam Details
| Subject | Industrial Electronics | |
| Paper | ||
| Exam / Course | Diploma In Electronics And Communication Engineering (DECVI)/ Advanced Level Certificate Course In Electronics And Communication Engineering (ACEVI)/ | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2016 | |
| City, State | new delhi, |
Question Paper
1. Choose the correct answer.
SCR is a
5-layer 3-junction device
2-layer i-junction device
4-layer 3-junction device
4,.layer 2-junction device
Power transistors are types of
BJTs
MOSFETs
IGBTs
All of the above
A GTO can be turned ON by applying
Positive gate signal
Positive drain signal
Positive source signal
None of these
IGBT combines the advantages of
BJTs and SITs
BJTs and MQSFETs
SITs and MOSFETs
None of these
Which semiconductor device acts like a diode and two transistors
UJT
DIAC
TRIAC
SCR
A TRIAC is effectively
antiparallel connection of two thyristors
antiparallel connection of a thyristor and a diode
antiparallel connection of two diodes
two thyristors, in parallel, to increase the current capacity of the device
Which of the following does not cause permanent damage to SCR
High current
High rate rise of current
High temperature rise
High rate rise of voltage
Explain the concept of Holding and Latching current in a thyristor.
Draw and explain gate triggering circuit of a thyristor
3. Explain the working of a single-phase full wave controlled rectifier circuit with resistive load. Draw the waveform of input-outPut voltages and currents.
4. Explain the construction of UJT with its advantages and applications. Draw the V characteristics with a neat sketch and discuss the region of importance
5. What is commutation process? Explain the class scheme to turn off a thyristor with a suitable circuit diagram.
6. With a neat sketch diagram, explain the working principle of a three-phase half wave Delta-Wye rectifier. Show the input and output voltage waveforms.
7. Write short notes on any two of the following:
IGBT
Synchronized UJT Triggering
MOS Controlled Thyristor
SCR is a
5-layer 3-junction device
2-layer i-junction device
4-layer 3-junction device
4,.layer 2-junction device
Power transistors are types of
BJTs
MOSFETs
IGBTs
All of the above
A GTO can be turned ON by applying
Positive gate signal
Positive drain signal
Positive source signal
None of these
IGBT combines the advantages of
BJTs and SITs
BJTs and MQSFETs
SITs and MOSFETs
None of these
Which semiconductor device acts like a diode and two transistors
UJT
DIAC
TRIAC
SCR
A TRIAC is effectively
antiparallel connection of two thyristors
antiparallel connection of a thyristor and a diode
antiparallel connection of two diodes
two thyristors, in parallel, to increase the current capacity of the device
Which of the following does not cause permanent damage to SCR
High current
High rate rise of current
High temperature rise
High rate rise of voltage
Explain the concept of Holding and Latching current in a thyristor.
Draw and explain gate triggering circuit of a thyristor
3. Explain the working of a single-phase full wave controlled rectifier circuit with resistive load. Draw the waveform of input-outPut voltages and currents.
4. Explain the construction of UJT with its advantages and applications. Draw the V characteristics with a neat sketch and discuss the region of importance
5. What is commutation process? Explain the class scheme to turn off a thyristor with a suitable circuit diagram.
6. With a neat sketch diagram, explain the working principle of a three-phase half wave Delta-Wye rectifier. Show the input and output voltage waveforms.
7. Write short notes on any two of the following:
IGBT
Synchronized UJT Triggering
MOS Controlled Thyristor
Other Question Papers
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Subjects
- Advance Microprocessor And Architecture
- Analog And Mixed Mode Vlsi Design
- Analog Communication
- Analog Electronic Circuits
- Analog Integrated Circuits Design
- Antennas And Propagation
- Applied Electronics
- Audio and Video Engineering
- Basic Telematics
- Basics Of Electronics Engineering
- Bio Informatics
- Circuits and Networks
- Computer Architecture
- Computer Communication Networks
- Control Engineering
- Data Communication And Network
- Data Structures
- Device Modelling For Circuit Simulation
- Digital Communication
- Digital Electronics
- Digital Signal Processing
- Digital System Design
- Dip- ECE PCB Design & Testing
- Electromagnetic Field Theory
- Electronic Measurement And Instrumentations
- Electronic Measurement and Instruments
- Electronic Product Design
- Electronic Switching Circuits
- Embedded System Design
- Industrial Electronics
- Information Theory And Coding
- Linear Integrated Circuits
- Maintenance Of Electronic Equipment
- Micro Controller
- Micro Controllers
- Microelectronics Technology
- Microprocessor
- Microprocessor And Its Applications
- Microwave And Radar Engineering
- Modeling And Testing Of Digital Systems
- Multirate Systems
- Nano - Electronics
- Optical Fiber Communication
- Opto Electronics Communication Systems
- Power Electronics
- Principles of Communication Engineering
- Quantum Communication
- Rf Circuits
- Satellite And Tv Engineering
- Signal Compression
- Signals And Systems
- Technical English
- Television Engineering
- Wireless Communication