Magnetic Force pt. 2 Flashcards
(36 cards)
What is B equal to?
B=μ0I/2pir
What is μ0 equal to?
μ0=4pi*10^(-7)
Unit of electromagnets
T, teslas
What is the source of B?
current, I
Right hand rule
put thumb into the charge and rotate hand
High current means
high speeds
What is the unit for current
I
What are the magnetic poles
North and South
current going into board
magnetic field goes in clockwise direction
current going out of board
magnetic field goes in counter clockwise direction
Magnetic Force
F(directional) = qv(directional) x B(directional)
Tesla equivalent
1N/A*m
Vector out of the board
⦿
Vector into the board
⨂
Shape of Magnetic Fields
Closed Loop
Source of Magnetic Fields
Moving Charges
what is a solenoid?
converts electrical energy to mechanical energy
equation for a solenoid?
B= μ0nI
What causes a magnetic feild
electron spin
what is the process of Fusion?
the process of combining molecules that occurs within a strong magnetic feild and releases energy
what is the formula for magnetic force?
Fm = qv(sinθ)B
what is the magnetic force on a particle if it’s not moving
zero
Which magnetic field is at Earth’s north pole
South
Which magnetic field is at Earth’s south pole
North