Ampere`s law
... In 1819 Hans Christian Oersted discovered that an electric current in a wire causes a compass to turn. ...
... In 1819 Hans Christian Oersted discovered that an electric current in a wire causes a compass to turn. ...
KHS Trial 2008 Solutions
... Einstein was able to provide an explanation for the photoelectric effect which make up for the inadequacies of the wave model. He suggested that the incident radiation consisted of a stream of photons, or individual packets of energy. Each photon was characterised by a particular frequency, f, which ...
... Einstein was able to provide an explanation for the photoelectric effect which make up for the inadequacies of the wave model. He suggested that the incident radiation consisted of a stream of photons, or individual packets of energy. Each photon was characterised by a particular frequency, f, which ...
June 2008
... An electron is moving parallel to a straight conductor that is carrying 8.5 A of current. The electron is 0.015 m away from the conductor and is moving at 7.5 × 105 m/s, in the same direction as the current. Calculate the force on the electron (magnitude and direction). ...
... An electron is moving parallel to a straight conductor that is carrying 8.5 A of current. The electron is 0.015 m away from the conductor and is moving at 7.5 × 105 m/s, in the same direction as the current. Calculate the force on the electron (magnitude and direction). ...
2. Electrostriction field and forces caused by it
... from a ferromagnetic material later; the forces have increased then so, that they became difficult for keeping hands, and all doubts about validity (2) have completely disappeared. It is necessary to solve only the nature of the force always working in pair with magnetic force ...
... from a ferromagnetic material later; the forces have increased then so, that they became difficult for keeping hands, and all doubts about validity (2) have completely disappeared. It is necessary to solve only the nature of the force always working in pair with magnetic force ...
History of physics
Physics (from the Ancient Greek φύσις physis meaning ""nature"") is the fundamental branch of science that developed out of the study of nature and philosophy known, until around the end of the 19th century, as ""natural philosophy"". Today, physics is ultimately defined as the study of matter, energy and the relationships between them. Physics is, in some senses, the oldest and most basic pure science; its discoveries find applications throughout the natural sciences, since matter and energy are the basic constituents of the natural world. The other sciences are generally more limited in their scope and may be considered branches that have split off from physics to become sciences in their own right. Physics today may be divided loosely into classical physics and modern physics.