Mention two ways by which the speed of rotation of an electric motor can be increased.
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Answered by
9
To speed up an electric motor, you could 1) reduce the load on it (may increase speed 2 or 3%. 2) increase the frequency of the supply power 3) re-wind the stator to have fewer pole pairs.
Answered by
17
The speed of rotation of an electric motor can be increased by:
(i) Increasing the strength of current.
(ii) Increasing the number of turns in the coil.
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