Electrodynamics Flashcards
1
Q
Electrodynamics
A
electric charges in motion
2
Q
Potenial Difference
A
force or strength of electron flow
3
Q
Current
A
flow of electric charge
4
Q
Ampere
A
measure electric current, 6.24x10^18, 1 amp=1coloumb
5
Q
Direct Current
A
electrons flow in the same direction
6
Q
Continuous DC
A
even or uniform current
7
Q
Pulsating DC
A
moves in surges
8
Q
Alternating Current
A
electrons moe in opposite directions
9
Q
Resistance
A
amount of opposition to the flow of electrons, measured in Ohm
10
Q
Resistance dependant upon:
A
material, physical dimensions, and temperature
11
Q
Electrical Circuit
A
pathway that permits electrons to move in a circle
12
Q
3 requirements for electrical circuit:
A
voltage, conductor, & resistance