Transistors

Transistors act like tiny "____________."

• Electron sources

• Switches

• Batteries

• Bees?

What are the names of the terminals X, Y and Z?

• X = Base, Y = Collector, Z = Emitter

• X = Emitter, Y = Base, Z = Collector

• X = Collector, Y = Base, Z = Emitter

• X = Collector, Y = Emitter, Z = Base

As well as acting like a switch, another function of the transistor is to____________signals?

• rectify

• amplify

• limit

• control

transistor has 3 electrodes namely

• PNP

• NPN

• Base/ Collector/ Emitter

• Drain/ Gate/ Source

Emits light when a current passes through it

• fuse
• diode
• LED
• resistor

A transistor is a …………… operated device

• Voltage

• Both Voltage and Current

• Current

• None of the Above

The shorter leg of an LED is what?

• Positive

• Negative

Before transistors, these were used as amplifiers and switches, what are they?

• Vacuum Tubes

• Variable Bulbs

• Gas Switches

• Logic Tubes

What family is the transistor part of?

• LED

• Diode

• Semiconductor

• Resistor

In what year was the transistor invented?

• 1948

• 1950

• 1958

• 1946