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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
- If a magnetic substance is brought near the north or the south pole of a bar magnet
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
- Two particles P and Q start from origin and execute simple harmonic motion along X-axis
- The frequency of a light wave in a material is 2 x 10¹⁴ Hz and wavelength is 5000Å.
- A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
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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