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Answered 2010-08-25 14:27:26

When the magnetic field is observed from the North pole, the magnetic field emerges and and goes towards south. However, inside a magnet there is no field at all, thus forming butterfly shape lines. Hence, B stands for butterfly and due to this concept, scientists used the symbol B for magnetic induction.

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if there is no magnetic induction there will be no electricity


What is the difference between electromagnetic induction and magnetic induction?

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