A material shows spontaneous magnetization. This is due to1. Weiss molecular field.2. Cooperative effect among dipoles.3. Cooperative effect among domains.4. Absence of applied magnetic field.

A material shows spontaneous magnetization. This is due to1. Weiss mol

1.	A material shows spontaneous magnetization. This is due to1. Weiss molecular field.2. Cooperative effect among dipoles.3. Cooperative effect among domains.4. Absence of applied magnetic field.
A.	1, 2, 3 and 4
B.	2, 3 and 4 only
C.	1, 2 and 3 only
D.	1, 2 and 4 only
Answer» D. 1, 2 and 4 only

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A material shows spontaneous magnetization. This is due to1. Weiss molecular field.2. Cooperative effect among dipoles.3. Cooperative effect among domains.4. Absence of applied magnetic field.

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