Seshu cheera

  Here are some important pointers drawn from the provided sources regarding moving charges and magnetism: Historical Context and Fundamental Connection: Electricity and magnetism have been known for over 2000 years, but their intimate relationship was discovered only about 200 years ago, in 1820, by Danish physicist Hans Christian Oersted . Oersted observed that an electric current in a straight wire caused a noticeable deflection in a nearby magnetic compass needle, demonstrating that moving charges or currents produce a magnetic field in the surrounding space. This discovery led to intense experimentation, culminating in James Maxwell unifying the laws of electricity and magnetism in 1864 , realizing that light itself was made of electromagnetic waves. Magnetic Field (B): Just as static charges produce an electric field, currents or moving charges produce a magnetic field, denoted by B . The magnetic field is a vector field defined at each point in space and obey...