Emission Spectra
Major objective of this lecture is to present on Emission Spectra. The spectrum formed by electromagnetic radiations emitted by a given source, characteristic of the source…
Science
Polytree
Polytree is a directed acyclic graph for which there are no undirected cycles and for which the underlying undirected graph is connected. It is a…
Lecture on Electromagnetism
Main objective of this lecture is to present on Electromagnetism. A magnetic field is produced when an electric current flows through a coil of wire. This is…
Using Voltmeters and Ammeters
The aim of this lecture is to describe on using Voltmeters and Ammeters. A voltmeter is an instrument used for measuring electrical potential difference between two…
Electricity Practical Example and Experiment
Prime objective of this lecture is to present on Electricity; Practical Example and Experiment. Electricity includes: Charges; Electrons; Voltage; Current; Series; Parallel and Resistance. Electrical phenomena have been studied since antiquity, though progress in…
Sources of Electricity
Electricity can be very dangerous. You should never put anything into electric sockets, except plugs. There are many sources of electricity such as: Fossil fuels: coal,…
Types of Circuit
There are two types of electrical circuits; A collection of wires and electric components connected together in such a way that electric current can flow through…
Introduction to Electricity
General objective of this lecture is to present on Introduction to Electricity. Electricity is a type of energy that can build up in one place or flow…
Electrical Safety and Prevention
Appliances have three safety devices: the fuse; the earth wire and the switch. These devices are designed to stop you from being electrocuted and to prevent…
Electrical Safety in Home
Electrical hazards can cause burns, shocks and electrocution (death). Prime purpose of this lecture is to present on Electrical Safety in Home. by this lecture you…
Kalman Filter
Kalman Filter is infers parameters of interest from indirect, inaccurate and uncertain observations. It is a widely applied concept in time series analysis used in…
Electric Circuits
Prime purpose of this lecture is to present on Electric Circuits. The cell stores chemical energy and transfers it to electrical energy when a circuit is connected. When…
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