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Question of 55

Q.Wb/m^2 is the unit of

(a) magnetic field
(b) magnetic potential
(c) magnetic flux
(d) magnetic moment
Jharkhand JacJAC Intermediate Board 2024MCQ· 1mImportance★★★★★
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Magnetic flux is measured in weber (Wb); dividing by area (m^2) gives the SI unit of magnetic field B, which is the tesla, i.e. Wb/m^2.

Magnetic flux through an area is ϕB=B⋅A\phi_B = B\cdot A (for B perpendicular to the area), measured in weber (Wb). Rearranging, the magnetic field (flux density) is

B=ϕBAB = \dfrac{\phi_B}{A}

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