Correct AnswerC. Gate Turn-OFF thyristor
Quick Explanation
A bipolar junction transistor conducts through both majority and minority carriers, so charge storage occurs in its base and collector regions. This minority-carrier storage is why BJTs switch more slowly than majority-carrier devices such as MOSFETs.
Detailed Explanation
Correct Answer
C — Gate Turn-OFF thyristor
Concept and Reasoning
A bipolar junction transistor conducts through both majority and minority carriers, so charge storage occurs in its base and collector regions. This minority-carrier storage is why BJTs switch more slowly than majority-carrier devices such as MOSFETs.
Calculation / Key Relation
BJT: bipolar conduction involving minority-carrier storage
Exam Takeaway
Bipolar device → minority-carrier participation.
Common Mistake
Do not classify a MOSFET as a minority-carrier device; it is a majority-carrier device.
