electronics mechanic

What is the name of the process of converting AC into DC voltage?

• Amplifying

• Demodulating

• Inverting

• Rectifying

What is the disadvantage of the two-diode full wave rectifier compares with a bridge rectifier?

• The need for a center-tapped transformer.
• Can handle higher voltage without a transformer.
• Requires fewer components than a bridge rectifier.
• Higher efficiency than a bridge rectifier.

In NPN transistor current carriers come from ___________.

In PNP transistor N region is the _______ terminal.

Transistor is a bipolar device.

• True

• False

Define Ohms law.

State the type of Transistor.

A transistor has …………………

• One PN junction

• Two PN Junction

• Three PN junction

• Four PN junction

The number of depletion layers in a transistor is …………

• One

• Two

• Three

• Four

The element that has the biggest size in a transistor is ………………..

• Base

• Collector

• Emitter

• Collector base junction