Magnetism Flashcards
1
Q
Changing the magnetic flux induces a _.
A
Voltage
2
Q
Magnetic flux can be changed by changing the _, number of _, _, and _ _.
A
Area, loops, direction, field strength
3
Q
Lenz’s Law
- Thumb in direction of _ _
- If flux _
- Opposite of fingers show direction of induced current
- If flux _
- Fingers show direction of induced current
- Direction of emf resists the magnetic field (If B is Xs then make emf dots)
- L is the height
A
Magnetic field, increasing, decreasing
4
Q
_ are into the paper.
A
Xs
5
Q
_ are out of the paper.
A
Dots
6
Q
Magnetic fields exert a force on _ particles.
A
Moving
7
Q
A magnetic field wraps around a current carrying wire in _ _.
A
Concentric loops
8
Q
_ _ go from the North pole to the South pole.
A
Magnetic fields
9
Q
_ behave differently in electric and magnetic fields.
A
Particles
10
Q
Charged particles move _ to magnetic fields in circles (mass spectrometry).
A
Perpendicular
11
Q
Align domains
A
Ferromagnetic
12
Q
Weakly enhance the field
A
Paramagnetic
13
Q
Cancel
A
Diamagnetic
14
Q
Conservation of Energy
A
Tip
15
Q
Newton’s Laws
A
Tip
