Question 7

7.1 Given the following circuits for DC motors, please give the type of each and with a brief description.                                                                                                              

7.2 How would you control speed in a DC motor, mention two methods of speed control.      

7.3 Mention two advantages of Induction motors.                                                                 (4)

7.4 Name two disadvantages of induction motors.                                                                (4)

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