| ⇦ | 
| ⇨ |
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: - An electric motor runs on DC source of emf 200 V and draws a current of 10 A.
- A nuclear reaction is given as 4 ₁H¹→₂He⁴+₀e¹+energy Mention the type of reaction.
- The polarising angle of glass is 57⁰. A ray of light which is incident at this angle
- An electric current passes through a long straight wire
- Two small spherical shells A and B are given positive charges of 9C and 4C
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An electric motor runs on DC source of emf 200 V and draws a current of 10 A.
- A nuclear reaction is given as 4 ₁H¹→₂He⁴+₀e¹+energy Mention the type of reaction.
- The polarising angle of glass is 57⁰. A ray of light which is incident at this angle
- An electric current passes through a long straight wire
- Two small spherical shells A and B are given positive charges of 9C and 4C
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