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Question
What is the function of radial magnets in a d.c. motor?
Short Answer
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Solution
The radial magnets (concave cylindrical magnets) provide a strong uniform radial magnetic field in which the coil rotates. This magnetic field interacts with the magnetic field produced by the current-carrying coil to produce a deflecting couple (torque), which rotates the coil and converts electrical energy into mechanical energy.
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