A flashlight can be made that is powered by the inducedcurrent from a magnet moving through a coil of wire. Thecoil and magnet are inside a plastic tube that can be shakencausing the magnet to move back and forth through thecoil. Assume the magnet has a maximum field strength of0.05 T. Make reasonable assumptions and specify the sizeof the coil and the number of turns necessary to light astandard 1-watt, 3-V flashlight bulb.

A flashlight can be made that is powered by the inducedcurrent from a magnet moving through a coil of wire. Thecoil and magnet are inside a plastic tube that can be shakencausing the magnet to move back and forth through thecoil. Assume the magnet has a maximum field strength of0.05 T. Make reasonable assumptions and specify the sizeof the coil and the number of turns necessary to light astandard 1-watt, 3-V flashlight bulb.

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Question

A flashlight can be made that is powered by the induced
current from a magnet moving through a coil of wire. The
coil and magnet are inside a plastic tube that can be shaken
causing the magnet to move back and forth through the
coil. Assume the magnet has a maximum field strength of
0.05 T. Make reasonable assumptions and specify the size
of the coil and the number of turns necessary to light a
standard 1-watt, 3-V flashlight bulb.

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