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What is the magnetic effect created by electrons spinning on their axes?

Will multiple loops of coil strengthen or weaken the magnetic field compared to a straight wire?

Lead is non-magnetic.

What is the ability of an alternating current to switch directions, inducing a constant secondary current that opposes the original?

If you cut a bar magnet in half you will have two magnets, one is a North pole magnet and the other is a South pole magnet.

In Fleming’s right hand generator rule, what does your middle finger represent?

Turning a nail into a magnet by touching it to a bar magnet is called _____________.

What does this picture represent?

In a magnetized nail are the magnetic domains aligned or not aligned?

Lines of force flow from  _______ to _______ outside the magnet, and from  _______ to _______ inside the magnet.