What is the working principle of DC motor Mcq?

Which type of motor is not an encoder motor Mcq?

8. Which type of motor is not an encoder motor? Explanation: BO motor is not an encoder motor.

What are the parts of DC motor?

What are DC Motor Parts and how they work?

  • Stator. A stator is one of the DC motor parts that is, as the name suggests, a static unit containing the field windings. …
  • Rotor. …
  • Yoke. …
  • Poles. …
  • Field Windings. …
  • Armature Windings. …
  • DC Motor Commutator. …
  • Brushes.

What’s better AC or DC?

DC power is significantly more energy efficient than AC power. DC motors and appliances have higher efficiency and power to size characteristics. … The greater efficiency resulting from recent developments in DC converter technology allows improvements in electricity delivery over long distances.

Does Tesla use AC or DC motors?

Tesla, for example, uses alternating current (AC) induction motors in the Model S but uses permanent-magnet direct current (DC) motors in its Model 3. There are upsides to both types of motor, but generally, induction motors are somewhat less efficient than permanent-magnet motors at full load.

Which is better AC or DC current?

Alternating current is cheaper to generate and has fewer energy losses than direct current when transmitting electricity over long distances. Although for very long distances (more than 1000 km), direct current can often be better.

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