Electronics 3 Flashcards
What effect does a Speaker wires gauge have on speaker sound quality
Lower gauge wires are thicker with better sound quality
What’s the primary advantage of a quad-band cell phone over a dial-band cell phone?
Coverage area
When working with electricity, you should assume that all electrical equipment is alive unless you know for certain otherwise. This prevents?
Personal injury
The heat effect of current occurs?
When the current overcomes resistance in the wire, creating heat
Transistor contain at least three terminals called the
Base, emitter, And collector
Electromotive force is another way of saying?
Voltage
A primary advantage of using a Li–Ion battery instead of a NiMH battery in your cell phone is?
Li-Ion batteries are lighter
What special type of diode Is commonly used to regulate voltage?
Zener
To control a light fixture from two different wall switches you would use?
Two three-way switches
A transistor is also called a?
Amplifier
To decrease capacitance, capacitors?
Should be connected in series
A resistor marked 2.5 K ohms has the value of?
2,500 ohms
Multiple-1 kilo=1000
A nine – volt battery contains?
6
( a cell is equal to 1.5 Volts-So 9÷1.5 equals 6)
The hot wire is always?
Black
How wide is the full AT motherboard?
12 inches
