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Chap 24 - Magnetism
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How are a bar magnet and an electromagnet similar?
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How are a bar magnet and an electromagnet different?
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Describe Earth's magnetic field.
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A current in a wire can create a B field, and a B field can cause a force on a current carrying wire. How do we find the direction of these magnetic fields and forces?
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Find the strength of the B field 15cm away from a wire carrying a current of 5 amps.
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What is a "solenoid" and why is it useful?
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How does a coil of wire in a magnetic field end up being a motor?
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What path does a charged particle trace out if it is moving in a magnetic field at constant speed?
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An electron shot into a 12 mT B-field experiences a force of 5.7 x 10^-15 N. How fast must the electron have been going? (is this even possible?)
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What topics, if any, would you like to be further explained?
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