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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 2026MCQ· 1mImportance★★★★★
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Magnetic field B is flux per unit area, so its unit is Wb/m^2, given the special name tesla.

Magnetic flux (phi) through a surface is measured in weber (Wb). Magnetic field B (also called magnetic flux density) is the flux PER UNIT AREA passing perpendicular to a surface:

B = phi / A

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