Power Electronics
Choppers and Commutation Techniques
Marks 1Marks 2Marks 5
Single and Three Phase Rectifier
Marks 1Marks 2Marks 5
Power Semiconductor Devices
Marks 1Marks 2
Ac Voltage Controllers
Marks 1Marks 2Marks 5
1
GATE EE 2003
MCQ (Single Correct Answer)
+1
-0.3
Figure shows a $$MOSFET$$ with an integral body diode. It is employed as a power switching device in the ON and OFF states through appropriate control. The ON and OFF states of the switch are given on the $${V_{DS}} - {{\rm I}_s}$$ plane by GATE EE 2003 Power Electronics - Power Semiconductor Devices Question 24 English
A
GATE EE 2003 Power Electronics - Power Semiconductor Devices Question 24 English Option 1
B
GATE EE 2003 Power Electronics - Power Semiconductor Devices Question 24 English Option 2
C
GATE EE 2003 Power Electronics - Power Semiconductor Devices Question 24 English Option 3
D
GATE EE 2003 Power Electronics - Power Semiconductor Devices Question 24 English Option 4
2
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
The $$MOSFET$$ switch in its on - state may be considered equivalent to
A
Resistor
B
Inductor
C
Capacitor
D
Battery
3
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
The uncontrolled electronic switch employed in power electronic converters is
A
thyristor
B
bipolar junction transistor
C
Diode
D
MOSFET
4
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
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
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement