After Oersted’s discovery that a magnetic field exists around an electric current, scientists began to wonder if a magnetic field could, in turn, produce an electric current. This current was only observed during the actual closing of the switch and again when the switch was opened. Electromagnetic induction, simply put, is the production of voltage across a conductor situated in a changing magnetic field or a conductor moving through a stationary magnetic field. Induction uses electromagnetic energy to heat cookware made of magnetic material (steel, iron, nickel or various alloys). This entry was posted in Degree, High School, Plus Two, Technical and tagged Electromagnetic Induction, GENERATOR, Induction Cooker, MOTOR, TRANSFORMER by sree. Simply use: place your phone on top of the speaker, then the induction speakers will magically amplify the stereo music. How to use the Induction speakers: Turn on the Induction speaker,and put on your mobile phone to right position of the speaker, press the play button of your mobile phone then you can hear the sound power Amp. Different audio equipment has different speaker position, please try to visit equipment until loudspeaker and sensor consistent.


Volume adjustment: if you want to adjust the volume, just change the volume of the mobile phone, then it will automatically adjust output volume.
New Best sound Magic Speaker Wireless interaction amplifier speaker compatible with iphone 4 and samsung galaxy s3. After Oersted’s discovery that a magnetic field exists around an electric current, scientists began to wonder if a magnetic field could, in turn, produce an electric current.
In 1831, an English scientist, Michael Faraday discovered that magnetism could produce electricity.
Through this simple experiment Faraday had discovered the method for inducing an electric current by means of a magnetic field. The principles of electromagnetic induction are applied in many devices and systems we use today, for example electrical generators, induction motors, transformers, and most other electrical machines. When the unit is turned on, the coils produce a high frequency alternating magnetic field, which ultimately flows through the cookware. Orsted discovered that an electric current would move a compass needle, showing him that an electric current generated a magnetic field.


The current could only be induced however when the magnetic field about the conductor was changing.
Molecules in the cookware move back and forth rapidly, causing the cookware to become hot and cook the food. The cooktop’s glass-ceramic surface is unaffected by the magnetic field since it contains no magnetic material. Faraday believed that when a current flowed through one helix the magnetic field it created would be channeled to the other helix by means of a permeable iron ring. The heat of the pan will warm the glass; however, the cooktop will remain much cooler to the touch than other smoothtop surfaces. However, when he closed the switch no steady current registered on the galvanometer, but it did register a brief surge of current.



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Comments

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    Body adjust to the temperature will "roll" over the exterior.