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Introduction: What is Electric Motor? Video Lecture | Physics for BMAT (Section 2)

FAQs on Introduction: What is Electric Motor? Video Lecture - Physics for BMAT (Section 2)

1. What is an electric motor?

Ans. An electric motor is a device that converts electrical energy into mechanical energy. It functions by using the principles of electromagnetism, where a current-carrying conductor experiences a force when placed in a magnetic field.

2. How does an electric motor work?

Ans. An electric motor works by utilizing the interaction between a magnetic field and an electric current. When an electric current is passed through a coil of wire placed in a magnetic field, it creates a force that causes the coil to rotate. This rotation is then transferred to a shaft, resulting in mechanical motion.

3. What are the components of an electric motor?

Ans. The main components of an electric motor include a stator, a rotor, and a commutator. The stator is a stationary part that consists of permanent magnets or electromagnets, while the rotor is a rotating part that contains the coil of wire. The commutator acts as a switch, reversing the direction of the current in the coil to ensure continuous rotation.

4. What are the applications of electric motors?

Ans. Electric motors are widely used in various applications. They are commonly found in household appliances such as refrigerators, washing machines, and fans. They are also utilized in industrial machinery, electric vehicles, and even aircraft propulsion systems.

5. What are the advantages of electric motors?

Ans. Electric motors offer several advantages over other types of motors. They are highly efficient, converting a high percentage of electrical energy into mechanical energy. They are also environmentally friendly as they produce zero emissions. Additionally, electric motors provide precise control of speed and torque, making them suitable for a wide range of applications.

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Introduction: What is Electric Motor? Video Lecture | Physics for BMAT (Section 2)

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