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 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.

admin:

View Comments (1)

Related Questions

  1. A thin rod of length L and mass M is held vertically with one end on the floor
  2. At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
  3. The rms current in an AC circuit is 2 A. If the wattless current be √3 A,
  4. When two identical capacitors are in series, they have 3 μF capacitance
  5. Two coaxial solenoids are made by winding thin insulated wire over a pipe