Lecture

Principle objective of this lecture is to present on Electricity Practical. It is tutorial study based presentation. here briefly describe on Charges; Electrons; Voltage; Current; Series; Parallel and Resistance. There are kinds of electrical…

Major objective of this lecture is to present on What is a Motor? Motor is a device that changes electrical energy to mechanical energy that can do…

The aim of this lecture is to present on What is a Generator? Generator is a machine that changes mechanical energy to electrical energy. Usually use moving magnets…

Prime objective of this lecture is to present on What is an Electromagnet? Electromagnet is a magnet made from a current bearing coil of wire wrapped around…

Resistance is the opposition to the flow of an electric current, producing heat. The greater the resistance, the less current gets through. Good conductors have low resistance. Measured…

Basic objective of this lecture is to present on How can we Control Currents? We can control currents with circuits. Circuit is a path for the…

General objective of this lecture is to present on Electricity and Magnetism. Electromagnetism is a branch of physical science that describes the interactions of electricity and magnetism,…

Principle objective of this lecture is to present on Spheres of The Earth. Everything in Earth’s system can be placed into one of four major subsystems: land,…

The hydrosphere contains all the water found on our planet. Water found on the surface of our planet includes the ocean as well as water from…

Primary objective of this lecture is to present on Scales in Physical Geography. It is he processes of the life layer and the four great realms operate…

Geography is the study of the evolving character and organization of the Earth’s surface. It is about how, why, and where human and natural activities…

Anthrosphere is interactions of Homo sapiens with all aspects of the environment. We are going to look at each sphere, the interactions, and the solutions as…