IGBT MCQs

Practice IGBT MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Power ElectronicsIGBT

An IGBT combines the insulated-gate control characteristics of a MOSFET with?

ABipolar conduction characteristics
BMechanical switching
CDIAC breakover only
DA vacuum-tube cathode

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Correct Answer: A. Bipolar conduction characteristics

Explanation: An IGBT uses a MOS insulated gate with bipolar carrier conduction in its power path.

Reference: Standard power electronics: igbt

Question 2

Power ElectronicsIGBT

Compared with a power MOSFET, an IGBT is commonly attractive in applications requiring?

AHigher voltage and substantial power handling at moderate switching frequencies
BOnly microampere signal amplification
CNo gate drive at all
DBidirectional blocking without any circuit consideration

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Correct Answer: A. Higher voltage and substantial power handling at moderate switching frequencies

Explanation: IGBTs combine voltage-controlled gate drive with strong high-voltage/current capability, though typically at lower switching speeds than MOSFETs.

Reference: Standard power electronics: igbt