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Class-E Chopper Circuit Configuration Quiz

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Class-E Chopper Circuit Configuration Quiz

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Questions and Answers

How is a class-E chopper circuit formed?

By the series combination of two class-C chopper circuits

By a single class-C chopper circuit

By the parallel combination of two class-C chopper circuits (correct)

By the combination of a class-A and class-B chopper circuit

What is a class-E chopper capable of?

Operating in all four quadrants of output voltage and current plane (correct)

Operating in three quadrants of output voltage and current plane

Operating only in one quadrant of output voltage and current plane

Operating in two quadrants of output voltage and current plane

Which power semiconductor devices are most commonly used in a class-E chopper?

SCRs (Silicon Controlled Rectifiers)

Diodes

Triacs

Transistors (IGBT, MOSFET, or BJT) (correct)

How is the operation of a class-E chopper in the first quadrant achieved?

By turning ON switches S1 and S4 Signup and view all the answers

During the first quadrant operation of a class-E chopper, where does the power flow?

From source to load Signup and view all the answers

What happens to the average output current Io during the second quadrant operation of a class-E chopper?

It becomes negative Signup and view all the answers

When operating a class-E chopper in the third quadrant, how should the polarity of the load EMF E be?

Reversed Signup and view all the answers

Which switch is turned ON during the second quadrant operation of a class-E chopper?

S2 Signup and view all the answers

What happens to the output voltage Vo during the discharge period of the load inductor?

It remains positive Signup and view all the answers

In a step-down chopper, what is the relationship between load voltage and source voltage?

Load voltage is equal to source voltage Signup and view all the answers