Compute the magnetic force on a current-carrying wire from field B, current I, length L, and angle θ using F = B·I·L·sinθ.
输入磁感应强度 B、电流 I、导线长 L 与夹角 θ,求安培力。
| Item | Standard / Source | Key Point |
|---|---|---|
| Force on a current-carrying wire | Lorentz force law; Classic electromagnetism (Griffiths, Electrodynamics) | F = B*I*L*sinθ |