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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMiscellaneousMedium3 minQB

PhysicsMediumsingle choice

A current loop, having two circular arcs joined by two radial lines is shown in the figure. It carries a current of 10 A. The magnetic field at point O will be close to :

diagram

Options:

Answer:

Solution:

$Radial pieces: B = 0. Opposite arcs subtract. θ = \frac{π}{4} r_{1} = 0.03 m r_{2} = 0.05 m i = 10 A B = \frac{μ _{0} i θ}{4 π} (\frac{1}{r _{1}} - \frac{1}{r _{2}}) B = \frac{π}{3} \times 1 0^{- 5} T B \approx 1.047 \times 1 0^{- 5} T Option A$

Stream:JEESubject:PhysicsTopic:MagnetismSubtopic:Miscellaneous

⏱ 3mℹ️ Source: QB

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