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Electric Motor - Class 10 Video Lecture
FAQs on Electric Motor - Class 10 Video Lecture
| 1. What is an electric motor? |  |
Ans. An electric motor is a device that converts electrical energy into mechanical energy. It works on the principle 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 based on the interaction between a current-carrying conductor and a magnetic field. When an electric current is passed through the conductor, it creates a magnetic field around it. This magnetic field interacts with the external magnetic field, causing a force that rotates the conductor, thus generating mechanical energy.
| 3. What are the components of an electric motor? | |
Ans. An electric motor consists of several key components, including a stator (stationary part) and a rotor (rotating part). The stator consists of coils or windings that create a magnetic field, while the rotor is a rotating shaft with a set of coils or windings. Other components may include brushes, commutator, and bearings.
| 4. What are the applications of electric motors? | |
Ans. Electric motors have a wide range of applications in various industries and sectors. They are commonly used in household appliances such as fans, refrigerators, and washing machines. Electric motors also power industrial machinery, electric vehicles, elevators, and pumps, among many other applications.
| 5. How can the efficiency of an electric motor be improved? | |
Ans. The efficiency of an electric motor can be improved by reducing energy losses. This can be achieved by using high-quality materials, optimizing the design and construction of the motor, and reducing friction and resistance within the motor. Regular maintenance and proper lubrication also contribute to improving efficiency.
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Oct 12, 2025
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