Question

Rohan tests a new electric motor designed for appliances and realizes that motor is running incredibly slow. Which of the following can increase the rotation speed of the motor.
(i) By increasing the supply voltage
(ii) By using a stronger magnetic field
(iii) By increasing number of turns in armature

• A. (i), (ii) & (iii)
  
• B. Only (i)
  
• C. Both (i) and (iii)
  
• D. Both (ii) and (iii)
  

Answer 1

The correct option is A (i), (ii) & (iii)


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