LICA UNIT 5 QUIZ

IC 723 is ----------?

• A voltage regulator

• A full-wave rectifier

• A half-wave rectifier

• A clipper

Which is not considered as a linear voltage regulator?

• Fixed output voltage regulator

• Adjustable output voltage regulator

• Switching regulator

• Special regulator

To get a maximum output current, IC regulation are provided with

• Radiation source

• Heat sink

• Peak detector

• None of the mentioned

How the average temperature coefficient of output voltage expressed in fixed voltage regulator?

• miilivolts/^oC

• miilivolts^oC

• None of the mentioned

• ^oC/ miilivolts

Which of the following is not a characteristic of adjustable voltage regulators?

• Non-versatile

• Better performance

• Increased reliability

• None of the mentioned

What is done in switching regulators to minimize its power dissipation during switching?

• Uses external transistor

• Uses 1mH choke

• Uses external transistor and 1mH choke

• None of the mentioned

Fixed voltage regulators and adjustable regulators are often called as

• Series dissipative regulators

• Shunt dissipative regulators

• Stray dissipative regulators

• All the mentioned

Linear series regulators are suited for application with

• High current

• Medium current

• Low current

• None of the mentioned

A series switching regulators

• Improves the efficiency of regulators

• Improves the flexibility of switching

• Enhance the response of regulators

• All of the mentioned

The switching regulators can operate in

• Step up

• Step down

• Polarity inverting

• All the mentioned