homework vocab review Flashcards
1
Q
valence electrons
A
an electron in the shell farthest from the nucleus.
2
Q
power
A
rate of doing work.
3
Q
resistance
A
opposition to the flow of electrons in DC circuit.
4
Q
voltage
A
electrical pressure.
5
Q
Ohm
A
unit of opposition to current flow.
6
Q
reluctance
A
opposition to magnetic lines of flux.
7
Q
static
A
not moving.
8
Q
magnetic domain
A
magnetic region.
9
Q
ohms law
A
defines proportional relationship among voltage, current and resistance.
10
Q
joule
A
metric unit of energy.
11
Q
energy
A
power x time.
12
Q
semiconductor
A
a material with 4 valence electrons.
13
Q
ampere
A
unit of electrical flow rate.
14
Q
current
A
flow of electrons
15
Q
impedence
A
opposition to flow of electrons in an AC circuit.
