Điện Tử Công Suất

What do Tiristor and Diode have in common?

• Made of P-type and N-type semiconductors

• Has three terminals

• Has two terminals

• Are controlled valves

What is the characteristic of a transistor?

• A semiconductor device with 2 P-N junctions

• A semiconductor device with 1 P-N junction

• A semiconductor device with 3 P-N junctions

• All of the above answers are incorrect

What is the characteristic of leakage current?

• It flows through the element when the element is reverse biased, with a small value, a few mA

• Has a small value, a few mA

• It flows through the element when the element is forward biased, with a small value, a few A

• Has a very small value, a few µA

Which function below is not a function of a transistor?

• An electronic component used for rectification

• An electronic component used to generate pulses

• An electronic component used to generate waves

• An electronic component used to amplify signals

What is the equivalent component of a Diac?

• Two diodes connected in reverse parallel

• Two diodes connected in parallel in opposite directions

• Two SCRs connected in series in reverse

• Two SCRs connected in parallel

When does a PNP transistor operate?

• The base (B) and emitter (E) terminals are forward biased and the voltage Uce > 0 (where UCE is the voltage between the collector (C) and emitter (E))

• The base (B) and emitter (E) terminals are reverse biased and the voltage UCE > 0 (where UCE is the voltage between the collector (C) and emitter (E))

• The base (B) and emitter (E) terminals are forward biased and the voltage Uce < 0 (where Uce is the voltage between the collector (C) and emitter (E))

• The base (B) and emitter (E) terminals are reverse biased and the voltage UCE < 0 (where UCE is the voltage between the collector (C) and emitter (E))

What are the three terminals of a BJT?

• Emitter, Base, Collector

• Source, Gate, Drain

• T1, T2, T3

• Emitter

What are the three electrodes of a BJT?

• Emitter, Base, Collector

• Source, Gate, Drain

• T1, T2, T3

• Emitter, Gate, Collector

When will a thyristor be punctured?

• The voltage applied on the anode-cathode is less than the maximum reverse voltage

• The voltage applied on the anode-cathode is negative

• The voltage applied on the anode-cathode is positive

• The maximum trigger current

What is a power component?

• All of the above

• Works with high current, high voltage

• Easily coupled with aluminum heat sinks

• Has large shape and size