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What are the two ways in which you can trace the magnetic field pattern of a bar magnet?
You are given the magnetic field pattern of a magnet. How will you find out from it where the magnetic field is the strongest?
The wire in Figure below is being moved downwards through the magnetic field so as to produce induced current.
(a) moving the wire at a higher speed?
(b) moving the wire upwards rather than downwards?
(c) using a stronger magnet?
(d) holding the wire still in the magnetic field?
(e) moving the wire parallel to the magnetic field lines?
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Explain the method of plotting the magnetic field lines by using a small compass needle.
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Draw diagram showing the arrangement of the lines of force for a single magnet.
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