Magnetism and Matter

Magnetism and Matter: Natural magnet and artificial magnet Natural magnet: A natural magnet is an ore of iron (Fe2O4) which – Attracts small pieces of iron, cobalt, and nickel towards…

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Moving Charges and Magnetism

Magnetic field: It is a region of space around a magnet or current-carrying conductor or a moving charge, in which its magnetic effect can be felt. The sources of magnetic…

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Current Electricity

Current Electricity: It is defined as the rate of flow of electric charge through a cross-section of the conductor. If the current is steady i.e. it does not change with…

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Electrostatic Potential and Capacitance

Equipotential surface: A surface on which the electric potential is constant is known as the equipotential surface. Properties of an equipotential surface: – Electric field lines are always perpendicular to…

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Electric Charges and Fields Class 12

Charge: Electric charge(Electric Charges and Fields) is an intrinsic property of elementary particles of matter which gives rise to electric force between various objects. Quantization: Charge is always in the…

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Biotechnology: Principles and Processes

The term biotechnology is derived from the fusion of biology and technology. Biotechnology means any technological application that uses biological systems, living organisms or their derivatives to produce or modify…

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