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Explained: What is Electric Motor? Video Lecture | Crash Course: Class 10
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FAQs on Explained: What is Electric Motor? Video Lecture - Crash Course: Class 10
| 1. What is an electric motor? |  |
Ans. An electric motor is a device that converts electrical energy into mechanical energy. It uses the principle of electromagnetic induction to generate a rotating magnetic field, which in turn creates a torque that drives the motor's mechanical output.
| 2. How does an electric motor work? | |
Ans. An electric motor works on the principle of electromagnetism. It consists of a coil of wire called an armature, which is placed in a magnetic field generated by a permanent magnet or electromagnets. When an electric current is passed through the armature, it creates a magnetic field that interacts with the external magnetic field, resulting in the rotation of the armature and the connected mechanical load.
| 3. What are the main components of an electric motor? | |
Ans. The main components of an electric motor include the armature, commutator, brushes, permanent magnets or electromagnets, and a mechanical load. The armature is the rotating part of the motor that contains the coil of wire. The commutator and brushes are responsible for transferring the electric current to the armature. The permanent magnets or electromagnets create the magnetic field, and the mechanical load is the device or machinery that the motor drives.
| 4. What are the advantages of using electric motors? | |
Ans. Electric motors have several advantages over other types of motors. These include high efficiency, as they can convert a large portion of electrical energy into mechanical energy, low maintenance requirements, compact size, and the ability to provide precise control over speed and torque. They also produce less pollution and are more environmentally friendly compared to internal combustion engines.
| 5. How are electric motors used in everyday life? | |
Ans. Electric motors are used in a wide range of applications in our everyday life. They power various appliances such as refrigerators, washing machines, fans, and pumps. They are also used in transportation, including electric cars, trains, and bicycles. Additionally, electric motors are essential components in industrial machinery, robotics, and renewable energy systems such as wind turbines.
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Nov 06, 2024 Last updated |
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