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Experience the best way to solve previous year questions with mock tests (very detailed analysis), bookmark your favourite questions, practice etc...
1

GATE EE 1998

MCQ (Single Correct Answer)
In a commutation circuit employed to turn off an $$SCR$$, Satisfactory turn-off is obtained when.
A
Circuit turn-off time
< device turn-off time
B
Circuit turn-off time
> device turn-off time
C
Circuit time constant
> device turn-off time
D
Circuit time constant
< device turn-off time
2

GATE EE 1998

MCQ (Single Correct Answer)
The uncontrolled electronic switch employed in power electronic converters is
A
thyristor
B
bipolar junction transistor
C
Diode
D
MOSFET
3

GATE EE 1998

MCQ (Single Correct Answer)
The $$MOSFET$$ switch in its on - state may be considered equivalent to
A
Resistor
B
Inductor
C
Capacitor
D
Battery
4

GATE EE 1997

MCQ (Single Correct Answer)
If a diode is connected in anti - parallel with a thyristor, then
A
Both turn off power loss and turn off time decreases
B
Turn-off power loss decreases but turn - off -time increases
C
Turn-off power loss increases, but turn off time decreases
D
None of the above
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Questions Asked from Power Semiconductor Devices

On those following papers in Marks 1
Number in Brackets after Paper Indicates No. of Questions
GATE EE 2018 (1)
GATE EE 2017 Set 1 (1)
GATE EE 2016 Set 1 (1)
GATE EE 2014 Set 1 (1)
GATE EE 2012 (1)
GATE EE 2011 (1)
GATE EE 2010 (1)
GATE EE 2009 (1)
GATE EE 2005 (1)
GATE EE 2004 (2)
GATE EE 2003 (2)
GATE EE 1998 (3)
GATE EE 1997 (1)
GATE EE 1996 (3)
GATE EE 1995 (1)
GATE EE 1994 (2)
GATE EE 1993 (1)

Chapters Map

Choppers and Commutation Techniques
Ac Voltage Controllers
Single and Three Phase Rectifier
Power Semiconductor Devices
Inverters

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