Almost all of the units we use in electromagnetism are named after dead physicists, so they can be difficult to remember and distinguish. Consider making a flash card with a list of all the quantities and units as a quick reference guide until you have them memorized.
|
Quantity |
SI Unit |
Symbol |
Equivalent units |
|
force |
newton |
N |
kg·m/s2 |
|
charge |
coulomb |
C |
A·s |
| current | ampere |
A |
|
|
potential difference |
volt |
V |
|
|
resistance |
ohm |
Ω |
V/A |
| power | watt |
W |
V·A |
| capacitance | farad |
F |
A·s/V |
|
magnetic flux |
weber |
Wb |
V·s |
|
inductance |
henry |
H |
V·s/A |
| magnetic field | tesla |
T |
Wb/m2 |