Inductance: An electrical conductor's propensity to resist change in the flow of current through it is known as inductance.
Factors affecting inductance:
The inductance increases with the number of wire turns in the coil. Less inductance is produced by the coil having fewer wire turns.
For a given quantity of current in the coil, more coiling of wire coils suggests a stronger magnetic field.
The inductance increases with the coil area. Inductance decreases with decreasing coil area.
For a given field force, a larger coil area offers less resistance to the development of magnetic flux.
The inductance increases with increasing magnetic permeability of the core around which the coil is wound; it decreases with decreasing magnetic permeability of the core.
The inductance is inversely proportional to the coil's length.