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a galvanometer.

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โˆ™ 2013-06-26 16:29:43
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Q: What measures current by using the deflections of a coil of wire placed in a permanent magnetic field?
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meter that measures magnetic flux by the current it generates in a coil

What are continental deflections?

When a continent deflects the movement of a current.

Is the magnet in a compass a permanent magnetic or an electromagnet?

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How can you turn off a magnetic field by a current?

If the magnetic field is caused only by a current, you can turn the current off.If you have another magnetic field, for example due to a permanent magnet, with a current you can create a magnetic field that counters the first one. But that will only work in certain regions in space; you can't cancel such a magnetic field everywhere in space.

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An electromagnet (a coil around a soft iron core) will only be magnetic when current changes in the coil and so is not permanent.

What are three factors that control the path that a surface current may take?

Global Winds, Coriolis effect, and Continental deflections Global Winds, Coriolis effect, and Continental deflections Global Winds, Coriolis effect, and Continental deflections Global Winds, Coriolis effect, and Continental deflections

How can the magnetism of a permanent magnet be weakened or removed?

Put it in a coil which has an alternating current in it. The AC current produces a magnetic field in the coil which alternates with the changing voltage. This changes the magnetism of the permanent magnet. Gradually reduce the current in the coil and the permanent magnet will end up unmagnetised.

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