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Magnetic flux density is quantified in terms of ______.
1. Weber
2. Lumen
3. Lux
4. Tesla

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Correct Answer - Option 4 : Tesla

Magnetic flux density:

Magnetic flux density is the amount of flux passing through a defined area that is perpendicular to the direction of the flux, i.e.

Mathematically, this is defined as:

\(B=\frac{ϕ}{A}\)

B = Magnetic flux density

ϕ = Magnetic Flux (weber, Wb)

A = Area (m2)

  • SI unit of the magnetic flux density (B) is Tesla (T).
  • Tesla is equivalent to one weber per meter squared or weber/meter
  • The CGS unit of B is gauss where 1 gauss = 10-4 tesla.

 

Important Notes:

Quantity

SI unit

Magnetic flux density

Tesla

Inductance

Henry

Charge

Coulomb

Magnetic flux

Weber

 

SYMBOL

UNIT

QUANTITY

E

V/m

Electric field Strength

H

A/m

Magnetic field strength

D

C/m2

Electric flux density

B

T

Magnetic flux density

J

A/m2

Electric current density

K

V/m2

Magnetic current density

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