1
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
Which of the following does not cause permanent damage of an $$SCR?$$
A
High current
B
High rate of rise of current
C
High temperature rise
D
High rate of rise of voltage
2
GATE EE 1995
Fill in the Blanks
+1
-0
Figure, show two thyristors each rated $$500A$$ (continuous) sharing a load current. Current through thyristor $$y$$ is $$120A.$$ The current through thyristor $$x$$ will be nearly __________ $$A.$$ GATE EE 1995 Power Electronics - Power Semiconductor Devices Question 31 English
3
GATE EE 1994
Fill in the Blanks
+1
-0
A triac can be triggered by a gate pulse of __________ polarity
4
GATE EE 1994
MCQ (Single Correct Answer)
+1
-0.3
A switched mode power supply operating at $$20$$ $$kHz$$ to $$100$$ $$kHz$$ range uses as the main switching element
A
Thysistor
B
$$MOSFET$$
C
Triac
D
$$UJT$$
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