Write the equation of magnetic field on the axis of current carrying finite solenoid.
Write the equation of magnetic field on the axis of current carrying finite solenoid.
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The effective length of a magnet is $ 31.4 \,cm $ and its pole strength is $0.5\, Am$. The magnetic moment, if it is bent in the form of a semicircle will be.....$A{m^2}$
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What is magnetism and what is magnet ?
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