Recent questions and answers in Unit 1

7 answers 1,161 views

Draw the structural diagram of GTO. Explain briefly the switching behavior of GTO with the help of appropriate voltage and current waveform.

answered Jun 3, 2018 in Unit 1
1 answer 110 views

Explain the series and parallel operation of MOSFET. Which is suitable and why?

answered Feb 21, 2018 in Unit 1
1 answer 1,008 views

Explain the formation of parasitic BJT and parasitic diode in Power MOSFET. Can parasitic diode be used in same power electronics applications?

answered Feb 7, 2018 in Unit 1
1 answer 63 views

Explain the on state losses in power BJT.

answered Feb 5, 2018 in Unit 1
1 answer 202 views

What are the desirable characteristics of ideal switch?

answered Feb 5, 2018 in Unit 1
1 answer 63 views

What is enhancement MOSFET?...............

answered Feb 5, 2018 in Unit 1
1 answer 44 views

What is depletion type MOSFET?..........

answered Feb 4, 2018 in Unit 1
1 answer 326 views

Justify the statements. 1. IGBT uses a vertically oriented structure. 2. IGBT is preferred as a power switch over both power BJT and MOSFET. 3. Punch through IGBT structure are more popular and are widely used.

answered Feb 4, 2018 in Unit 1
1 answer 93 views

Also, highlight the problem faced during parallel operation.

answered Feb 4, 2018 in Unit 1
1 answer 306 views

What is holding current and latching current in SCR? Draw the gate characteristics of an SCR and explain the characteristics. What are the different signals which can be used for turning on SCR by gate control? compare them.

answered Feb 3, 2018 in Unit 1
1 answer 406 views

Operating frequency of power MOSFET is higher than that of power BJT. Justify the statement.

answered Feb 3, 2018 in Unit 1
1 answer 55 views

Justify the statement. Antiparallel diode is connected across MOSFET.

answered Feb 3, 2018 in Unit 1
1 answer 188 views

parallel operation of MOSFET can be done more easily as compared to thyristor. why?

answered Feb 2, 2018 in Unit 1
1 answer 271 views

Justify. Power MOSFET is operated at high enough gate source voltage to minimize the conduction losses. 

answered Feb 2, 2018 in Unit 1
1 answer 78 views

Explain difference between enhancement MOSFET and depletion type MOSFET.

answered Nov 14, 2017 in Unit 1
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