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How will the magnetic field intensity …

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How will the magnetic field intensity at the centre of the circular coil carrying current will change if the current through the coil is double and the radius of the call is half?

    • Posted by Nilesh Hiragar 5 years, 7 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Gaurav Seth 5 years, 7 months ago

    The magnetic field at center of a coil, B ∝ I/R when current I is doubled and radius R is halved, the magnetic field becomes four times the original field.Read more on Sarthaks.com - https://www.sarthaks.com/174321/how-will-the-magnetic-field-intensity-at-the-centre-circular-coil-carrying-current-change

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