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An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long solenoid having 5 turns/cm. If a current of 0.5 A is passed through the solenoid, then the magnetic moment of the rod is
Options
(a) 20 Am²
(b) 25 Am²
(c) 30 Am²
(d) 35 Am²
Correct Answer:
25 Am²
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
- Two bodies of masses m and 4 m are moving with equal K.E. The ratio of their linear
- The length of an elastic string is a metre when the longitudinal tension is 4N and b
- If a magnet is suspended at an angle 30⁰ to the magnetic meridian, the dip needle
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- If the rise in height of capillary of two tubes is 6.6 cm and 2.2 cm
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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