Consider the following statements for a paramagnetic substance kept in a magnetic field.

(a) If the magnetic field increases, the magnetisation increases.

(b) If temperature rises, the magnetisation increases.

Select the incorrect alternative (s).

When a ferromagnetic material goes through a complete cycle of magnetisation, the magnetic susceptibility 

(a) Soft iron is a conductor of electricity.

(b) It is a magnetic material.

(c) It is an alloy of iron.

(d) It is used for making permanent magnets. State whether

Consider different orientations of a bar magnet lying in a uniform magnetic field as shown below. The potential energy is maximum in orientation