| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.15 |
| Score | 0% | 63% |
General current flow in a transistor is from __________ to __________.
base, emitter |
|
collector, base |
|
base, collector |
|
collector, emitter |
The transistor is the foundation of modern electronic devices. It is made entirely from semiconductor material (making it a solid state device) and can serve many different functions in a circuit including acting as a switch, amplifier, or current regulator. A transistor works by allowing a small amount of current applied at the base to control general current flow from collector to emitter through the transistor.
| 3000 W | |
| 2997 W | |
| 6000 W | |
| 1500 W |
Which of the following converts electrical energy into another form of energy in an electrical circuit?
wiring |
|
load |
|
AC source |
|
DC source |
A load is a source of resistance that converts electrical energy into another form of energy. The components of a microwave, for example, are loads that work together to convert household electricity into radation that can be used to quickly cook food.
What is the frequency of most household electrical systems?
60Hz |
|
110V |
|
60MHz |
|
110Hz |
Electricity is delivered from power stations to customers as AC because it provides a more efficient way to transport electricity over long distances. Most households use electricity with a frequency of 60Hz.
Which of the following is not a terminal on a transistor?
input |
|
collector |
|
emitter |
|
base |
A transistor works by allowing a small amount of current applied at the base to control general current flow from collector to emitter through the transistor.