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Results tagged with magnetic-moment
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user 88833
The magnetic moment of a magnet is a quantity that determines the force that the magnet can exert on electric currents and the torque that a magnetic field will exert on it. A loop of electric current, a bar magnet, an electron, a molecule, and a planet all have magnetic moments.
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Understanding magnetic dipole
You may know that current is defined as the total charge passing a certain area during a unit time. Therefore,
\begin{align} dI &=\rho\times rdrd\theta\times2\pi r\sin\theta\times\frac{\omega}{2\pi} …
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