1
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
2
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 2 English
A
Triac only
B
Triac and MOSFET
C
Triac and GTO
D
Thyristor and Triac
3
GATE EE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
For the power semiconductor devices $$IGBT, MOSFET,$$ Diode and Thyristor, which one of the following statements is TRUE?
A
All of the four are majority carrier devices.
B
All the four are minority carrier devices
C
$$IGBT$$ and $$MOSFET$$ are majority carrier devices, whereas Diode and Thyristor are minority carrier devices.
D
$$MOSFET$$ is majority carrier device, whereas $$IGBT,$$ Diode, Thyristor are minority carrier devices.
4
GATE EE 2016 Set 1
Numerical
+1
-0
A steady dc current of 100 A is flowing through a power module (S, D) as shown in Figure (a). The V-I characteristics of the IGBT (S) and the diode (D) are shown in Figures (b) and (c), respectively. The conduction power loss in the power module (S, D), in watts, is ________. GATE EE 2016 Set 1 Power Electronics - Power Semiconductor Devices Question 13 English 1 GATE EE 2016 Set 1 Power Electronics - Power Semiconductor Devices Question 13 English 2
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