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A wire carrying current I has the shape as shown in adjoining figure. Linear parts of the wire are very long and parallel to X-axis while semicircular portion of radius R is lying in yz-plane. Magnetic field at point O is
Options
(a) B=μ₀/4π I/R (πî+2k ̂)
(b) B=-μ₀/4π I/R (πî-2k ̂)
(c) B=-μ₀/4π I/R (πî+2k ̂)
(d) B=μ₀/4π I/R (πî-2k ̂)
Correct Answer:
B=-μ₀/4π I/R (πî+2k ̂)
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
- A body of mass 120 kg and density 600 kg/m³ floats in water.
- Four point masses, each of value m, are placed at the corners of a square ABCD
- The energy released in the fission of 1 kg of ₉₂U²³⁵ is (energy per fission = 200 MeV)
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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
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