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Magnetic Field and Circuits Quiz

This quiz covers topics related to the application of magnetic fields on closed circuits, magnetic potential energy of a dipole, moving coil galvanometers, Biot-Savart's law, Ampere's circuital law, and more.

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@BonnyOgre

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Questions and Answers

What is the formula for the magnetic potential energy of a dipole?

$\vec{m} \cdot \vec{B}$

What is the advantage of a moving coil galvanometer?

High accuracy

How is a moving coil galvanometer converted into a voltmeter?

By adding a shunt resistance

What is the expression for magnetic induction along the axis of a toroid based on Ampere's circuital law?

<p>$B = \frac{\mu_0NI}{2\pi r}$</p> Signup and view all the answers

How is Ampere's circuital law stated?

<p>The line integral of magnetic field along a closed path is proportional to the current enclosed by that path</p> Signup and view all the answers

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