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1

### GATE EE 2005

The figure shows the voltage across a power semiconductor device and the current through the device during a switching transition. Is the transition a turn ON transition or a turn OFF transition? What is the energy lost during the transition?
A
Turn ON, $${{V{\rm I}} \over {2\left( {{t_1} + {t_2}} \right)}}$$
B
Turn OFF, $$V{\rm I}\left( {{t_1} + {t_2}} \right)$$
C
Turn ON, $$V{\rm I}\left( {{t_1} + {t_2}} \right)$$
D
Turn OFF, $${{V{\rm I}} \over {2\left( {{t_1} + {t_2}} \right)}}$$
2

### GATE EE 2004

A $$MOSFET$$ rated for $$15 A,$$ carries a periodic current as shown in figure. The ON state resistance of the MOSFET is $$0.15$$ $$\Omega .$$ The average ON state loss in the $$MOSFET$$ is
A
$$33.8$$ $$W$$
B
$$15.0$$ $$W$$
C
$$7.5$$ $$W$$
D
$$3.8$$ $$W$$
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#### Questions Asked from Power Semiconductor Devices

On those following papers in Marks 2
Number in Brackets after Paper Indicates No. of Questions
GATE EE 2014 Set 2 (1)
GATE EE 2013 (1)
GATE EE 2009 (1)
GATE EE 2007 (2)
GATE EE 2006 (1)
GATE EE 2005 (2)
GATE EE 2004 (1)

### Joint Entrance Examination

JEE Main JEE Advanced WB JEE

### Graduate Aptitude Test in Engineering

GATE CSE GATE ECE GATE EE GATE ME GATE CE GATE PI GATE IN

NEET

Class 12