Power Electronics 4 Electrical Engineering MCQ Practice Quiz 7

To meet high current demand we use SCRs____?

SCRs are used in series to meet_____?

Which following is a two terminal three layer device____?

Which of following is not a power transistor_____?

Which of following is normally ON device_____?

Typical range of thyristor turn OFF time is_____?

Power transistor are type of_____?

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

A GTO can be turned on by applying_____?

SITH is also known as_____?

The typical time of rising time lies between_____?

Maximum power loss occurs during______?

A power MOSFET has three terminals called_____?

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

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

Snubber circuit is used with SCR____?

What may happen high dv / dt ______?

What happen due to high di / dt____?

IGBT combines the advantages of_____?

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

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

Materials used in heat sink should have_____?

A thyristor can termed as_____?

Which of the following is used in heat sink_____?

How can we protect SCR from thermal conditions____?