Torque on planar current loop in uniform B (τ = M×B; |τ| = NBIAsinθ)
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τ = M×B; |τ| = NBIAsinθ
What each symbol means
| Symbol | What it stands for |
|---|---|
| A | Area of loop |
| N | Number of turns |
| θ | Angle between M and B |
When to use this
Uniform B; dipole approximation for planar loop; M = NIA along normal (right-hand with fingers along I).