| ⇦ |
| ⇨ |
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.
Related Questions: - Identify the pair whose dimensions are equal
- If the dimensions of a physical quantity are givenby Mᵃ Lᵇ Tᶜ, then the physical
- The minimum wavelength of X-rays produced in a Collidge tube operated
- The Bohr model of atoms
- A disc of mass 100 g is kept floating horizontally in air by firing bullets
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Identify the pair whose dimensions are equal
- If the dimensions of a physical quantity are givenby Mᵃ Lᵇ Tᶜ, then the physical
- The minimum wavelength of X-rays produced in a Collidge tube operated
- The Bohr model of atoms
- A disc of mass 100 g is kept floating horizontally in air by firing bullets
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends

sir