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OpenStudy (anonymous):
What is it called when groups of atoms align their magnetic poles?
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OpenStudy (anonymous):
Magnetic Domain
OpenStudy (anonymous):
If there is no electric current flowing through a wire, what happens to the magnetic field?
OpenStudy (anonymous):
and What can be increased in order to increase the magnetic field?
OpenStudy (anonymous):
for the 3rd question this video should help https://www.khanacademy.org/science/discoveries-projects/discoveries/magnetic-fields/v/increase-strength-of-magnet
OpenStudy (anonymous):
If the primary coil of a transformer has more loops than the secondary coil, then the voltage is stepped down; if the secondary coil has more loops the voltage is stepped up. is this true?
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OpenStudy (anonymous):
Yes this is true.
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