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A paramagnetic sample shows a net magnetisation of 0.8 Am⁻¹, when placed in an external magnetic field of strength 0.8 T at a temperature 5K. When the same sample is placed in an externel magnetic field of 0.4 T at a temperature of 20K. The magnetisation is
Options
(a) 0.8 Am⁻¹
(b) 0.8 Am²
(c) 0.1 Am⁻²
(d) 0.1 Am⁻¹
Correct Answer:
0.1 Am⁻¹
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body starts from rest with an acceleration of 2 m/s². After 5 second,
- In an AC generator, a coil with N turns, all of the same area A and total resistance R,
- Two capacitors having capacitances C₁ and C₂ are charged with 120V and 200V batteries
- A nucleus at rest splits into two nuclear parts having radii in the ratio 1:2.
- A parallel plate capacitor as a uniform electric field E in the space between the plates
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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