A magnet is a piece of material that can attract iron and other ferromagnetic material. Generators used in production of […]
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The Concept of Magnetic Field
Magnetic field is a region around a magnet where magnetic influence is experienced or felt. It is also a region […]
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Electromagnetic Induction
Michael Faraday in 1832, at the age of 41 discovered that electricity could be produced without any battery by using […]
1. Moving-Coil Galvanometer Components of a Moving-Coil Galvanometer A rectangular coil with many turns. A powerful magnetic field between the curved […]
The below rules govern the direction of the magnetic field round the current-carrying conductors. 1. Maxwell: If a right handed cork […]
An electromagnetic field is that field that results from the interaction of the electric and magnetic fields. When a current carrying […]
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The Concept of Electromagnetic Waves
Unlike mechanical waves, electromagnetic waves are waves that require no material medium for propagation. Thus, they can propagate through a […]
This is defined as the electric force experienced per unit charge. It is a vector quantity and is expressed in […]
Like charges repel and unlike charges attract. Based on this, Coulomb’s law of electrostatic force came into being. The law […]
The wheatstone bridge is one of the most accurate methods of measuring resistance. It consists of four resistors of resistance […]