Magnetism and Magnetic Effects of Electric Current — Physics STD 12 — Question
Tamilnadu BoardEnglish MediumSTD 12PhysicsMagnetism and Magnetic Effects of Electric Current2 Marks
Question
Define magnetic flux density.
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Answer
The magnetic flux density is defined as the number of magnetic field lines crossing unit area kept normal to the direction of the line of force. Its unit is Wb $m ^{-2}$ or tesla.
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