Speed control of a universal motor is achieved by Options: A . &nbspVarying field flux with tapped field windings B . &nbspConnecting rheostat in series C . &nbspApplying variable voltage by means of silicon controlled rectifier D . &nbspAll of the above methods

Speed control of a universal motor is achieved by

Question

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 . All of the above methods

Answer: Option D

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