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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
- The body of mass m hangs at one end of a string of length l, the other end of which
- In P-N junction having depletion layer of thickness 10⁻⁶ m, the potential across
- A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
- The power factor of an AC circuit having resistance R and inductance L connected
- A simple pendulum oscillates in a vertical plane. When it passes through the mean
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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