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GUJCET · Physics · Magnetism And Matter

There are \(2.0 \times 10^{24}\) molecular dipole in a paramagnetic salt. Each has dipole moment \(1.5 \times 10^{-23} Am ^2\). Find maximum (Saturation) magnetization in the specimen.

  1. A \(20 Am ^2\)
  2. B \(30 Am ^2\)
  3. C \(200 Am ^2\)
  4. D \(50 Am ^2\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(30 Am ^2\)

Step-by-step Solution

Detailed explanation

B
\(\begin{aligned} M _{\max } =n m \\ \therefore M _{\max } =2.0 \times 10^{24} \times 1.5 \times 10^{-23} \\ \therefore M _{\max } =30 Am ^2\end{aligned}\)