PCB Design - Round 1

A chopper converts

• AC to DC

• AC to AC

• DC to AC

• DC to DC

Which of the given device is the fastest switching device

• MOSFET

• Triode

• BJT

• UJT

The device that does not have a gate terminal

• TRIAC

• FET

• SCR

• DIAC

A forward-biased PN junction acts as a/an

• Thyristor

• Closed switch

• Amplifier

• Chopper

A silicon controlled rectifier is turned on if the anode current is greater than

• Trigger current

• Anode current

• Negative terminal current

• Holding current

What is the name of a converter which can work on both in 3-pulse and 6 pulse modes?

• Three-phase full-wave converter

• Three-phase half wave converter

• Three-phase semi converter

• Single-phase semi converter

A triaic has two SCR’s connected in ?

• In parallel

• In series

• In inverse-parallel

• None of the above

What is the purpose of a snubber circuit in power electronics?

• To reduce voltage ripple

• To increase power efficiency

• To suppress electrical noise

• To provide protection against over-voltage and over-current

Which of the given device is the most suitable power device for a higher frequency (above 100 kHz) switching application

• SCR

• POWER MOSFET

• BJT

• GTO

 What is the function of a power electronic converter in a solar panel system?

• To convert DC power to AC power

• To convert AC power to DC power

• To regulate the voltage and current of the solar panel output

• To provide protection against over-voltage and over-current