Mutual Inductance DefinitionEasyQuestion 20178
Question
Mutual inductance M between two coils is defined such that:
- AEMF in coil 2 = −M·I₁
- BEMF in coil 2 = M·I₁
- CEMF in coil 2 = −M(dI₁/dt)Correct
- DEMF in coil 2 = M·dΦ₁/dt
Correct answer
EMF in coil 2 = −M(dI₁/dt)
Explanation
ε₂ = −M(dI₁/dt). Mutual inductance M depends on geometry, relative orientation, and the medium. Unit is Henry (H).