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The relation between magnetic field and current is given by Biot - Savart law. Illustrate Biot - Savart law with necessary figure.
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Electromagnetic Phenomena – a magnetic field always surrounds a conductor in which an electric current is flowing Left Hand Thumb Rule – Predicts the. - ppt download
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Who discovered the relationship between electricity and magnetismA. FaradayB. NewtonC. MaxwellD. Oersted
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