Questions and Answers
The amount of magnetic field passing through a loop or coil of wire is called magnetic ______________.
flux
Magnetic fields are directed out from the ______________ pole of a magnet and into its ______________ pole.
north, south
The source of all magnetism is ______________________________________________________.
charged particles in motion
The Earth’s geographic North Pole is located near a magnetic ______________ pole.
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Magnetic materials owe their properties to ______________ electrons.
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Three ways of changing flux are to change _______________, _____________________, and _____________________.
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Making current flow using magnetism is called ______________________.
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According to Faraday, a ______________________ flux is required to induce an EMF.
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Moving a magnet in and out of a coil of wire is an example of ______________________.
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A rod with a static electric charge is an example of something that is ______________________.
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Magnetic fields are directed out from the coil and into its ______________________.
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Charged particles in motion are a source of ______________________.
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Study Notes
Magnetic Field and Induction
- The amount of magnetic field passing through a loop or coil of wire is called magnetic flux.
- Making current flow using magnetism is called electromagnetic induction.
Inducing EMF
- According to Faraday, a changing flux is required to induce an EMF.
- Three ways to change flux include: changing the magnetic field strength, changing the area of the loop, and changing the angle between the magnetic field and the loop.
Sources of Magnetism
- The source of all magnetism is charged particles in motion.
Non-Magnetic Objects
- A rod with a static electric charge is NOT magnetic.
Magnetic Field Directions
- Magnetic fields are directed out from the north pole of a magnet and into its south pole.
Earth's Magnetic Field
- The Earth's geographic North Pole is located near a magnetic south pole.
Magnetic Materials
- Magnetic materials owe their properties to unpaired electrons.
Magnetic Field and Induction
- The amount of magnetic field passing through a loop or coil of wire is called magnetic flux.
- Making current flow using magnetism is called electromagnetic induction.
Inducing EMF
- According to Faraday, a changing flux is required to induce an EMF.
- Three ways to change flux include: changing the magnetic field strength, changing the area of the loop, and changing the angle between the magnetic field and the loop.
Sources of Magnetism
- The source of all magnetism is charged particles in motion.
Non-Magnetic Objects
- A rod with a static electric charge is NOT magnetic.
Magnetic Field Directions
- Magnetic fields are directed out from the north pole of a magnet and into its south pole.
Earth's Magnetic Field
- The Earth's geographic North Pole is located near a magnetic south pole.
Magnetic Materials
- Magnetic materials owe their properties to unpaired electrons.
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