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 2024
MCQ (Single Correct Answer)
+1
-0.33

If the following switching devices have similar power ratings, which one of them is the fastest?

A

SCR

B

GTO

C

IGBT

D

Power MOSFET

2
GATE EE 2023
MCQ (More than One Correct Answer)
+1
-0

A semiconductor switch needs to block voltage V of only one polarity (V > 0) during OFF state as shown in figure (i) and carry current in both directions during ON state as shown in figure (ii). Which of the following switch combination(s) will realize the same?

GATE EE 2023 Power Electronics - Power Semiconductor Devices Question 2 English

A
GATE EE 2023 Power Electronics - Power Semiconductor Devices Question 2 English Option 1
B
GATE EE 2023 Power Electronics - Power Semiconductor Devices Question 2 English Option 2
C
GATE EE 2023 Power Electronics - Power Semiconductor Devices Question 2 English Option 3
D
GATE EE 2023 Power Electronics - Power Semiconductor Devices Question 2 English Option 4
3
GATE EE 2022
MCQ (Single Correct Answer)
+1
-0.33

A charger supplies 100 W at 20 V for charging the battery of a laptop. The power devices, used in the converter inside the charger, operate at a switching frequency of 200 kHz. Which power device is best suited for this purpose?

A
IGBT
B
Thyristor
C
MOSFET
D
BJT
4
GATE EE 2018
MCQ (Single Correct Answer)
+1
-0.3
Four power semiconductor devices are shown in the figure along with their relevant terminals. The device(s) that can carry dc current continuously in the direction shown when gated appropriately is (are) GATE EE 2018 Power Electronics - Power Semiconductor Devices Question 4 English
A
Triac only
B
Triac and MOSFET
C
Triac and GTO
D
Thyristor and Triac
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