Physics Practicals Class 10
Model of Electric motor
- Teach science experiments in a gamified way
- Boost conceptual clarity and knowledge retention
- Aligned with National Education Policy 2020
- Helpful in getting NAAC accreditation
- CBSE, ICSE, and state boards aligned curricula
- Engaging simulations with easy-to-teach instructions
About Simulation
- By engaging with this simulation, you will understand the principle of operation of an electric motor, allowing you to grasp its functionality more effectively.
- Through this interactive experience, you can learn about the various components of an electric motor such as coils, magnets, and commutators, gaining a comprehensive understanding of its inner workings.
- You will explore how electrical energy is converted into mechanical motion within the motor, providing you with a clearer understanding of energy conversion processes.
- By interacting with the simulation, you can observe firsthand the crucial role that magnets play in generating magnetic fields and inducing motion within the motor, enhancing your comprehension of magnetism's application in technology.
- Through this simulation, you will gain insights into the function of commutators and how they facilitate continuous rotation by reversing the direction of current flow, enabling you to appreciate the intricate mechanisms behind motor operation.
Simulation Details
Description
Principle of Electromagnetic Induction:
Electric motors operate based on the principle of electromagnetic induction, discovered by Michael Faraday. When an electric current flows through a wire, it generates a magnetic field around the wire. Conversely, when a wire moves through a magnetic field, it induces an electric current in the wire. This reciprocal relationship between electricity and magnetism forms the basis of electric motor operation.
Components of an Electric Motor:
1. Coil: The coil, typically made of insulated copper wire, is arranged to form a loop or multiple loops within the motor. When an electric current passes through the coil, it generates a magnetic field.
2. Magnets: Permanent magnets or electromagnets create a static magnetic field within the motor. The interaction between this magnetic field and the magnetic field produced by the coil results in a rotational force.
3. Commutator: A commutator is a rotary electrical switch that periodically reverses the current direction between the rotor and the external circuit.
4. Brushes: Brushes are conductive contacts that maintain electrical contact with the commutator, delivering current to the coil as it rotates.
Working Principle:
- When an electric current flows through the coil, it generates a magnetic field that interacts with the static magnetic field produced by the magnets.
- The resulting force causes the coil to rotate.
- As the coil rotates, the commutator ensures that the direction of the current through the coil changes at specific intervals, ensuring continuous rotation in the same direction.
Applications:
- Electric motors are widely used in various applications, including industrial machinery, household appliances, vehicles, and robotics.
- They provide efficient and reliable means of converting electrical energy into mechanical motion, making them indispensable in modern technology.
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