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PHYSICS CH5 Magnetism and Electromagnetism — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH5 Magnetism and Electromagnetism1 Mark
Question
Define magnetic flux density.
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Answer

The number of magnetic field lines crossing unit area kept normal to the direction of field lines is called magnetic flux density. Its unit is Wb/m2

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