Electronics, static and current Electricity, Flashcards
1
Q
Static electricity is caused by
A
Friction
2
Q
If an object is positive does it have more protons or electrons?
If an object is negative “
A
Positive -more protons
Negative-more electron
3
Q
Current
A
Charges flowing through a wire
4
Q
Current measured in
A
Amps by an ampmeter or ammeter
5
Q
Potential difference or voltage
A
Ability of the charges to do a task
6
Q
Voltage measured in
A
VoLts by a voltmeter
7
Q
Resistance
A
Opposition to the flow
8
Q
Resistance measures in
A
Ohm
9
Q
Ohms law
A
Potential difference is directly proportional to the current
10
Q
Two ways of laying bulbs
A
In series
In parallel
11
Q
Why bulbs is parallel better?
A
One bulb goes, the others won’t
12
Q
Diode
A
Allows current to flow is one direction only
13
Q
Diode that can flow
A
Forward bias
14
Q
Diode than cannot flow
A
Reverse bias
15
Q
Led
A
Light emitting diode
