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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
- Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
- A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions
- A capacitor having a capacity of 2 μF is charged to 200V and then the plates
- Heat is flowing through a rod of length 50 cm and area of cross-section 5 cm².
- A metal conductor of length 1m rotates vertically about one of its ends at angular
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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