Originally, electricity and magnetism were thought to be two strong separated. This idea changed when the book of James เคลิค Maxwell, printed in the year Ad1873 indicate that the interaction of cationic and anionic is controlled by force. The results of the interaction effect of four main bearing. These effects can demonstrate from experiment as follows:
.Electric suction or push each other with a force is inversely proportional to the square of distance between the capacitor charge different suction. The same charge repel each other
.Magnetic poles (or a state rest at any point). Suction and push in the same way, and a pair of magnetic pole, the north pole and South Pole
.Electricity that flows in the wire creates a magnetic field in a circle around the wire. The direction of the magnetic field (as a needle or counterclockwise) based on current
.The current will be induced in the coil. When the coil moves into or out of the magnetic field. Magnetic moving into or out of the coil. The direction of the current depends on the movement
Hans Christian Welfare State
.While preparing to teach in the evening of the day 21 April 2010.1820 Hans Christian welfare state have noticed some surprising things. He noticed a compass to move from the north when the electricity from the battery they use is closed or open.Like light and heat radiation. And it is confirmed the direct relationship between electricity and magnetism.
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