Electromagnetics
Remember formulas through direction and units
Use physical meaning and dimensional checks instead of symbol-only recall.
Say what the formula describes
Name the cause and result before substituting numbers.
Sketch vector direction
A small field or force sketch is faster and safer than guessing a sign.
100 items · 150 minWritten response · 150 min40 floor + 60 avg
Let units catch errors
Check V/m, T, Wb, H and length or area conversions after every result.
Compare lookalike formulas
Place electric and magnetic cases side by side with conditions, symbols and units.