Michael Faraday
Magnetic Inductance
Michael
Faraday's famous experiments in the 1830's provided the theory of
magnetic inductance. Inductance was demonstrated in Faraday's
experiments by passing an electrical current through a wire, and having
a similar current become apparent in a nearby separate circuit.
Likewise, magnetic inductance was determined by passing a bar magnet
through a loop of wire and thereby generating an electrical current. In
fact, any changing magnetic field was demonstrated by Faraday to
produce an electrical field. Likewise, a changing electrical field can
produce a magnetic field.
There is also another important contribution of Faraday's in atmospheric science, that being the aptly named Faraday Effect, which can cause polarization rotation in electromagnetic waves passing through the ionosphere as they encounter the magnetic field there. This effect is partially what is responsible for disrupting communications during magnetic storms, since antenna receivers are either horizontally or vertically polarized, and will not see signals of a different polarization.
There is also another important contribution of Faraday's in atmospheric science, that being the aptly named Faraday Effect, which can cause polarization rotation in electromagnetic waves passing through the ionosphere as they encounter the magnetic field there. This effect is partially what is responsible for disrupting communications during magnetic storms, since antenna receivers are either horizontally or vertically polarized, and will not see signals of a different polarization.
