Spot the wrong term in the Lorentz force expression

Exercise and reference answers

Questions

1. Statement parts

   1. F
   2. =
   3. q
   4. (E
   5. +
   6. v
   7. ×
   8. B²
   9. )

   Correction

   B (not B²) — Lorentz force is F = q(E + v × B).

   Incorrect part

   B²

2. Statement parts

   1. F
   2. =
   3. B
   4. I
   5. L²
   6. sin
   7. θ

   Correction

   L (not L²) — force on a current-carrying wire is F = BIL sinθ.

   Incorrect part

   L²