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The compass changes of position in presence of a magnetic field.
To calculate what the magnetic field near a conductor is like, you can use Ampère's Law. The visual will help you to understand it.
Teaching unit about the magnetic field for 2nd high school. Background information. The effects of the magnetic field. Creation of magnetic fields. Induced currents. Alternating current.
In this sequence, the pupils will be offered the possibility of understanding the capacity of magnetic materials to attract bodies, and of learning in which way this fact is related to electricity. Ap ...
Glenn Elert, "educador, autor y artista", nos ofrece en forma de artículos enlazados lecciones (en inglés) que abarcan, y superan, todos los temas de Física de Bachiller ...
"Transformers are used to change one current into another current. Step up transformers increase the voltage of the current while step down transformers decrease the voltage. In power transmission, wh ...
Hipervinculo Física
"The Faraday - Lenz law states that when you have change in magnetic flux, you generate electromotive force. The formula to determine the Faraday - Lenz law is magnetic flux = magnetic field x area." ...
"Solenoids are a configuration of wires wrapped in a mass of loops that creates a magnetic field in a given direction which is used as the basis for electromagnets, or temporary electricity driven mag ...
"Electromagnetic induction is the concept of changing in one current induces changes in another current. This results in the production of voltage through magnetic field described in Ampere's Law. The ...
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