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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.
Related Questions: - Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact
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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
- Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact
- Cohesive force is experienced between
- Three resistances 2Ω, 3Ω and 4Ω are connected in parallel. The ratio of currents passing
- In forward biasing of the p-n junction
- A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V
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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