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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 […]

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Physics

The Wheatstone Bridge, Meter Bridge and Potentiometer

The wheatstone bridge is one of the most accurate methods of measuring resistance. It consists of four resistors of resistance […]

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Physics

Resistivity and Conductivity

Experiment shows that the resistance of a metallic conductor is directly proportional to the length  of the wire and inversely […]

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Physics

Shunts and Multipliers

1. Shunt: A shunt is a low resistance usually used to convert a galvanometer to an ammeter. It is usually connected […]

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Physics

Electric Circuit Series and Parallel Arrangement of Cells and Resistors

Electric circuit Presentation Click on the slides: https://www.slideshare.net/slideshow/embed_code/key/LPNy5zEs80BhGOSeries and Parallel Circuits from Nurul Fadhilah (a) Cell Arrangement: (i) Cells in Series: The total emf […]

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Physics

Production of Continuous Charges – Types of Cells – Primary cell and Secondary cell

Continuous charges are also called current (or moving electrons). They are produced by a device called ‘a cell’. Types of […]

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Physics

Kepler’s Laws

Johannes Kepler in his working with data together with Tycho Brahe, put forth three laws which described the motion of […]