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State two ways by which the speed of rotation of an electric motor can be increased. - Physics

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Question

State two ways by which the speed of rotation of an electric motor can be increased.

Short Answer

Solution

The speed of rotation of an electric motor can be increased by:

  1. Increasing the strength of current.
  2. Increasing the number of turns in the coil.
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Direct Current Motor
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Chapter 10: Electro-Magnetism - Exercise 10 (B) 1 [Page 247]

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Selina Physics [English] Class 10 ICSE
Chapter 10 Electro-Magnetism
Exercise 10 (B) 1 | Q 12 | Page 247
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