Mutual inductance between two magnetically coupled coils does NOT depend on which of the following?

Concept of Mutual Inductance:

Mutual inductance (M) between two magnetically coupled coils depends on several factors, such as:

• The number of turns in each coil (N₁ and N₂)
• The permeability of the core material (μ)
• The cross-sectional area of the common core (A)
• The distance and orientation between the coils (l)
  M = \(\frac{N_1N_2}{S}=\frac{\mu AN_1N_2}{l}\)

However, mutual inductance does not directly depend on the temperature of the coils. While temperature can affect the resistance of the coils and potentially the permeability of the core material to some extent, it is not a primary factor in the calculation of mutual inductance.