Electicity Flashcards
1
Q
Voltage
A
Volts
Speed/pressure the electrons travel at
2
Q
Current
A
Amps/Coulombs
The number of electrons
6.24 x 10^18
3
Q
Resistance
A
Ohms (Ω)
Opposition to flow
4
Q
Circuits
A
Open vs Closed
5
Q
Open Circuit
A
Doesn’t work
6
Q
Closed Circuit
A
Works
7
Q
Power
A
Watts
e/t or VxA
8
Q
Energy
A
Joules (kWh)
Ability to work
WxT
9
Q
Lightning
A
Charge separation and build up
Ground gets more positive ions
10
Q
Conductivity
A
Liquid: ions
Solid: extra free electrons
Electrons/ electricity can easily pass through