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Question #75774

Electrical Engineering

Speed control of a universal motor is achieved by__________?

Options:

A) varying field flux with tapped field windings

B) connecting rheostat in series

C) applying variable voltage by means of silicon controlled rectifier

D) applying variable voltage by means of variable auto-transformer

E) E. all of the above methods

Answer: Speed control of a universal motor is achieved by E. all of the above methods.

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