two coils are placed close to each other.the mutual inductance of pair of coils depends on which of the following factors -1.the rates at which d currents are changing in the coil.2.relative position and orientation of d coils.3.materials of wires of the coil4.currents in two coils
two coils are placed close to each other.the mutual inductance of pair of coils depends on which of the following factors -
1.the rates at which d currents are changing in the coil.
2.relative position and orientation of d coils.
3.materials of wires of the coil
4.currents in two coils










