Electricity Flashcards
1
Q
Explain. the force on an electron(3 things)
A
- electric plates uniform
- F = Eq
- force constant everywhere
2
Q
what is q?
A
charge
3
Q
explain the vertical movement between plates
A
- moving along field lines
- change in voltage and electrical potential energy
4
Q
whats rheostat?
A
bulb without a bulb
5
Q
magnetic field direction?
A
north to south
6
Q
RHGR thumb and rest of hand represents what?
A
current and mag field direction
7
Q
LHR and RHR
A
force and velocity direction (opposites)
8
Q
where is the positive end of a rod?
A
current direction: -ive to +ive
9
Q
when a magnet is in a field line…
A
there is no force
10
Q
when field lines are horizontal, and a magnet is placed vertically in between, what happens?
A
magnet experiences F = Bvq
11
Q
field lines direction?
A
+ive to –ive
12
Q
the closer the field lines…
A
the stronger the electric field
13
Q
what is the thumb?
A
CURRENT CUHH
14
Q
A