In a ferromagnetic material, below the curie temperature, a domain is defined as: (a) a macroscopic region with zero magnetization. (b) a macroscopic region with saturation magnetization. (c) a macroscopic region with randomly oriented magnetic dipoles. (d) a macroscopic region with consecutive magnetic dipoles oriented in opposite direction.

Answer: (b). Inside a domain, exchange coupling aligns all atomic dipoles in the same direction. So each domain is a macroscopic region magnetized to saturation; domains differ only in direction. So the answer is (b).

In a ferromagnetic material, below the curie temperature, a domain is… | JEE Main 2021 (25 Feb, Shift 2)

Q18JEE Main 2021 · 25 FEB · SHIFT 2Easy

Magnetic Materials & Curie Law

In a ferromagnetic material, below the curie temperature, a domain is defined as:

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Answer: (b)

Inside a domain, exchange coupling aligns all atomic dipoles in the same direction.
So each domain is a macroscopic region magnetized to saturation; domains differ only in direction.
So the answer is (b).

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Magnetic Materials & Curie Law question from JEE Main 2021 (25 Feb, Shift 2)

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