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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 thin equiconvex lens of refractive index 3/2 and radius of curvature 30 cm
- The original temperature of a black body is 727⁰C. The temperature at which this black
- The current in a conductor varies with time t as I=2t+3t² Where I is in amperes
- A ray of light passes from a medium A having refractive index 1.6 to the medium
- A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5).
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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