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State Two Ways to Increase the Speed of Rotation of a D.C. Motor. - Physics

Short Note

State two ways to increase the speed of rotation of a D.C. motor.

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Solution

By increasing the magnetic flux [by using strong magnet]
By reducing number of turns in the winding.

Concept: Fleming’s Left Hand Rule
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2018-2019 (March) Set 1
Q 4.e
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2018-2019 (March) Set 1 (with solutions)
Q 4.e | 2 marks
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