Scelta multipla
In the context of ferromagnetic materials, what are magnetic domains?
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28. Magnetic Fields and Forces
Magnets and Magnetic Fields
Scelta multipla
In SI units, what is magnetic field strength (magnetic flux density) measured in?
A
weber (Wb)
B
newton (N)
C
tesla (T)
D
volt (V)
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Understand that magnetic field strength, also known as magnetic flux density, is represented by the symbol \(B\) in physics.
Recall that magnetic flux density \(B\) is defined as the magnetic flux \(\Phi\) per unit area \(A\), mathematically expressed as \(B = \frac{\Phi}{A}\), where \(\Phi\) is measured in webers (Wb) and \(A\) in square meters (m\(^2\)).
Recognize that the SI unit of magnetic flux density \(B\) is derived from the units of magnetic flux and area, resulting in webers per square meter (Wb/m\(^2\)).
Know that the unit tesla (T) is defined as one weber per square meter, so \(1\ \text{T} = 1\ \text{Wb/m}^2\).
Therefore, the magnetic field strength \(B\) is measured in teslas (T) in the SI system.
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