Consider a circular coil of wire carrying constant current I , forming a magnetic dipole. The magnetic flux through an infinite plane that contains the circular coil and excluding the circular coil ar

Question

Consider a circular coil of wire carrying constant current I , forming a magnetic dipole. The magnetic flux through an infinite plane that contains the circular coil and excluding the circular coil area is given by ϕ i The magnetic flux through the area of the circular coil area is given by ϕ 0 . Which of the following option is correct?

TestHub · Accepted Answer

As magnetic field lines always form a closed loop, hence every magnetic field line creating magnetic flux in the inner region must be passing through the outer region. Since flux in two regions are in opposite direction.
$∴ ϕ_{i} = - ϕ_{0}$

Physics - EMI/AC Question with Solution | TestHub

Options:

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