WorksheetsPower Electronics Quiz
Total questions: 10
Worksheet time: 6mins
What is the objective of a power electronics circuit?
To match the voltage and current requirements of the load to those of the source.
To convert electric power from one form to another.
To control or modify a voltage or current.
To process milliwatts or megawatts.
What are diodes mainly used for?
As uncontrolled rectifiers to convert AC voltage to DC.
As controlled rectifiers to convert DC voltage to AC.
As switches in power electronics circuits.
As amplifiers in electronic circuits.
What is the maximum reverse voltage that can be connected across a diode without breakdown?
Peak Inverse Voltage
Forward Surge Maximum Current
Maximum Average Forward Current
Breakdown Voltage
What is the forward voltage drop of a diode when it is forward biased?
Forward voltage (VF)
Reverse current (IR)
Breakdown voltage (VB)
Forward recovery time (tFR)
What happens when a diode is reverse biased?
It does not conduct and experiences leakage current.
It conducts and allows current to flow.
It becomes a short circuit.
It operates at higher current.
What is the turn-off mechanism of a thyristor?
Applying a reverse voltage across the anode and cathode.
Removing the gate pulse.
Shorting the gate and cathode.
Increasing the forward current.
Among all the static switchingdevices used in power electronics, which one the simplest one ?
Thyristor
IGBT
Diode
MOSFET
One of typical types of semiconductor materials used to construct diodes is
(a)
What component is pictured above?
(a)
What is the pin of thyristor ?
Anode
Anode and cathode
Anode, cathode and basis
Anode, cathode, and gate
