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Question

What is B in magnetic field?


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Solution

  1. Magnetic flux density is the number of magnetic lines of force passing through a magnetic field.
  2. Magnetic flux density (B) is the amount of magnetic flux in an area taken perpendicular to the magnetic flux’s direction.
  3. It is denoted by the symbol B
  4. It is measured in the units of Tesla.
  5. The equation of the magnetic field density is given as
    B=μH+M
    Where, B represents the magnetic flux density, μ represents the magnetic permeability, H represents the magnetic field and M represents magnetization.
  6. While describing magnetic flux (B) represents magnetic field.
  7. From the mathematical formula of flux we can write,
    φ=B.Aφ=BAcosθ
    where,φ represents magnetic flux, B represents magnetic field, Arepresents area of the surface and θ represents angle at which the field lines pass through the given surface area.

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