A wire carrying current I has the shape as shown in adjoining figure. Linear parts

A Wire Carrying Current I Has The Shape As Shown Physics QuestionA Wire Carrying Current I Has The Shape As Shown Physics Question

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

A Wire Carrying I Has The Shape As Shown In Adjoining Figure.q 117A Wire Carrying I Has The Shape As Shown In Adjoining Figure.q 117

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:

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