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Physics

Force on a Moving Charge in a Magnetic Field

The magnetic field exerts a force on a charge moving in the field because charges in motion constitute an electric […]

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Physics

The Earth’s Magnetic Field

n a magnetic needle or a bar magnet is freely suspended, it comes to rest roughly in the N-S poles […]

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Physics

Magnets and Magnetization

A magnet is a piece of material that can attract iron and other ferromagnetic material. Generators used in production of […]

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Physics

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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Physics

Electromagnetic Induction

Electromagnetic Induction Michael Faraday in 1832, at the age of 41 discovered that electricity could be produced without any  battery […]

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Physics

Applications of Electromagnetic Field – Galvanometer, Electric motor

1. Moving-Coil Galvanometer Components of a Moving-Coil Galvanometer A rectangular coil with many turns. A powerful magnetic field between the curved […]

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Physics

Force between Two Parallel Current-carrying Conductors

The below rules govern the direction of the magnetic field round the current-carrying conductors. 1. Maxwell: If a right handed cork […]

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Physics

The Concept of Electromagnetic Field and Fleming’s Left hand rule

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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Physics

Electric Field Intensity or Strength ε and Electric Potential VE

This is defined as the electric force experienced per unit charge. It is a vector quantity and is expressed in […]

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Physics

Electric Force between Two Points Charges (Coulomb’s Law of Electrostatic Force)

Like charges repel and unlike charges attract. Based on this, Coulomb’s law of electrostatic force came into being. The law […]