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What is the concept behind electromagnetic induction?
Electromagnetic induction is the process where a changing magnetic field induces an electric current in a conductor. This phenomenon is described by Faraday's law of electromagnetic induction, which states that the induced electromotive force in a circuit is directly proportional to the rate of change of the magnetic field flux through the circuit.
What is an Induction Machine?
An asynchronous alternating-current machine, such as an induction motor or induction generator, in which the windings of two electric circuits rotate with respect to each other and power is transferred from one circuit to the other by electromagnetic induction.Reference: Wiki Answers
How is the energy transferred from one circuit to the other?
Energy is transferred from one circuit to another through electromagnetic induction, where a changing magnetic field created by one circuit induces a voltage in another nearby circuit. This phenomenon is based on Faraday's law of electromagnetic induction and is commonly used in transformers for transferring energy between circuits efficiently.
In Electromagnetic Induction would a series of magnets moving in one direction-like on a wheel- with a coil of wire on top of the wheel beside the magnets induce current and is it AC or DC?
it is dc
Who was the first man to make electricity from magnets?
Michael Faraday was the first one who observed the production of electricity by moving magnets towards a coil of wire. This phenomenon is known as electromagnetic induction.
How are conduction and induction alike?
Conduction and induction are both methods of transferring heat. Conduction occurs through direct contact or physical touching between objects, while induction involves the transfer of heat through electromagnetic waves or fields without direct contact. Both processes result in the movement of thermal energy from a warmer object to a cooler one.
What is the relationship between an induction motor and transformer?
In an induction motor, power is supplied to the rotor using a changing magnetic flux i.e. without any true conductive contact. Similarly, in a transformer, the power is transferred from the primary coil to the secondry one using a varying magnetic flux and the plates have no physical linkage. Hence, the similarity between an induction motor and a transformer is very basic i.e. they both use the phenomenon of electromagnetic induction to transfer power from one part to another.
Where would it be possible to find information about induction cooktops?
There are a number of places where one could find information about induction cooktops. These include Metro Kitchen, Wikipedia and How Stuff Works. Amazon have a number of induction cooktops for sale which also have customer reviews.
What is the difference between electromagnetic induction and magnetic induction?
Electromagnetism is first discovered by Oersted. Electromagnetic induction first found by Michael Faraday. Electromagnetism is the phenomenon in which magnetism is produced when electric current flows in a straight wire. This is the conversion of electrical energy into magnetic energy. But electromagnetic induction is the phenomenon in which electric current is produced in a wire as it cuts the magnetic lines of force. Here in the presence of magnetic energy mechanical energy gets converted into electrical energy. The former is applied in fans, motors etc. The later is utilised in generators. In an electrical bell, electromagnetism plays an important role. In case of choke, electromagnetic induction serves in a nice way. Former has Biot-Savart law, Ampere's circuital law, Lorentz force law, Fleming's left hand rule, Right hand thumb rule. The latter has Faraday's laws, Lenz law, Fleming's right hand rule.
Where could one purchase an induction loop system from?
One can purchase an induction loop system from websites like Vivid Acoustics, Alert Electrical, AVT Common, RS Online, Ampetronic, Amazon or Gordon Morris Shop.
How can you heat and expand metal without using a flame of any kind?
One way to heat and expand metal without using a flame is to use induction heating. Induction heating uses an electromagnetic field to heat the metal through induction, causing it to expand. This method is often used in industrial applications where precise and controlled heating is required.
What is the link between Joseph Henry and the first transformer?
Transformer operation is based on a principle discovered in 1830 by Joseph Henry that electrical energy can be moved efficiently from one coil to another through electromagnetic induction.
