Power Electronics 4 Electrical Engineering MCQ Practice Quiz 7

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Power Electronics 4 Electrical Engineering Practice Quiz 7

1 / 25

To meet high current demand we use SCRs____?

2 / 25

SCRs are used in series to meet_____?

3 / 25

Which following is a two terminal three layer device____?

4 / 25

Which of following is not a power transistor_____?

5 / 25

Which of following is normally ON device_____?

6 / 25

Typical range of thyristor turn OFF time is_____?

7 / 25

Power transistor are type of_____?

8 / 25

During which time maximum conduction spreading take place in the thyristor during turn ON_____?

9 / 25

A GTO can be turned on by applying_____?

10 / 25

SITH is also known as_____?

11 / 25

The typical time of rising time lies between_____?

12 / 25

Maximum power loss occurs during______?

13 / 25

A power MOSFET has three terminals called_____?

14 / 25

A modern power semiconductor device that combines the characteristic of BJT and MOSFET is_____?

15 / 25

Which one is most suitable power device for high frequency (>100 KHz) switching application_____?

16 / 25

Snubber circuit is used with SCR____?

17 / 25

What may happen high dv / dt ______?

18 / 25

What happen due to high di / dt____?

19 / 25

IGBT combines the advantages of_____?

20 / 25

COOLMOS device can be used in application up to power range of_____?

21 / 25

What is used to protect a thyristor from high di / dt conditions_____?

22 / 25

Materials used in heat sink should have_____?

23 / 25

A thyristor can termed as_____?

24 / 25

Which of the following is used in heat sink_____?

25 / 25

How can we protect SCR from thermal conditions____?

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