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Electromagnetic induction occurs when a conductor (like a coil of wire) moves through a magnetic field, inducing an electric current. This principle is used in generators, where mechanical energy (from turbines powered by water, wind, or steam) is converted into electrical energy for power supply.
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The principle of electromagnetic induction involves generating electricity by moving a conductor through a magnetic field, which induces an electric current. When the magnetic flux linked with a conductor changes (due to movement or varying magnetic field), it creates a voltage according to Faraday's Law of Induction. This principle is the basis for generators, where mechanical energy (e.g., spinning a coil within a magnetic field) is converted into electrical energy. It powers much of modern electricity generation.
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Electromagnetic induction is the process by which electricity is generated by moving a conductor (like a wire) through a magnetic field. Here's how it works:

  1. Magnetic Field and Conductor: First, you need a magnet and a conductor. A magnetic field is created by a magnet, and when a conductor (such as a coil of wire) moves through this field, something interesting happens.

  2. Movement and Change: As the conductor moves, it "cuts" through the magnetic field lines. This movement causes the magnetic field to change around the conductor.

  3. Induced Voltage: This change in the magnetic field creates a force that pushes electrons in the conductor, causing them to move. This movement of electrons is what we call an electric current.

  4. Electricity Flow: If the conductor is connected to a circuit, the current will flow through it, creating electricity that can be used to power devices.

In simple terms, when a wire moves through a magnetic field, it creates electricity by making the electrons in the wire move. This is the basic principle behind many types of electrical generators, like the ones used in power plants.

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