Electric Current
Electric Current is a closed path through which electrons can flow. Electrons flow because of a difference in potential. When a switch is turned on it causes…
Physics
The Central Concept: Closed Circuit
Primary objective of this lecture is to present on Central Concept of Closed Circuit. Closed circuit is an electric circuit through which current can flow in an…
How to Work Electrical Circuits?
This lecture focus to describe on How to Work Electrical Circuits? A simple electrical circuit contains four parts: a power source, a load, connectors and a switch. An…
Lecture on Electricity Friction
This lecture introduce on Electricity Friction. An object becomes charged by: Friction; Conduction and Induction. Voltage is a measure of the potential difference between two places in a circuit. The unit…
Tutorial: Electricity Practical
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…
What is a Motor?
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…
What is a Generator?
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…
What is an Electromagnet?
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…
What is Resistance?
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…
How can we Control Currents?
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…
Lecture on Electricity and Magnetism
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,…
How to Measure Precipitation?
Main objective of this lecture is to present on How to Measure Precipitation. Raingage – A cylindrical container that collects rainfall and measures its depth. Tipping-bucket gage –…
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