Health services are a basic necessity for a person. Private companies have made health services quite costly for ordinary individuals. Do the advantages of private health care outweigh its disadvantages? Give reasons for your answer and include any relevant examples from your own knowledge or experien...
Some monopolies have been tolerated for producers of goods and services that have been considered basic or essential, including electricity and water. In these cases, it is government control, rather than competition, that protects and influences sales.Which of the following would be the best title...
Basic semiconductor design Any material can be classified as one of three types:conductor,insulator, orsemiconductor. A conductor (such ascopperor saltwater) can easily conductelectricitybecause it has an abundance of freeelectrons. An insulator (such asceramicor dryair) conducts electricity very poorl...
Building Blocks of Everyday Objects Electricity: Short Circuits & Direct Currents Discover All 119 References in “We Didn’t Start the Fire,” Explained Why Is Christmas in December? New Seven Wonders of the World Canada: 10 Claims to Fame ...
Current electricity is the most common form of electricity that is used to power up devices and appliances. Learn the generation of current electricity and more.
Most of the electricity is generated by fossil fuels such as natural gas, coal, and nuclear energy. However, many countries around the world are using alternative sources such as hydropower, biomass, geothermal, and solar power. In science, the First Law of Thermodynamics states that energy can...
Studying the origin and definition of electricity or electric current is essential to understanding its various applications. Electric current in conductors is defined with respect to free electrons that exhibit random zig-zag motion within the conductor. It is the flow of charged particles, ...
Microelectronics:Silicon wafers are the foundational material for modern microelectronic devices. Silicon is the default in everything from microprocessors and memory chips to basic transistors. Solar Cells:Silicon's ability to convert sunlight into electricity efficiently makes it a popular choice for phot...
Electricity, electrical equipment, electronics and powered devices have become an integral part of modern society. From getting a cup of coffee from the coffee machine to running an entire plant, electricity is used. Electricity can thus be defined as an energy that enables us to power many ...
of the electrical supply.In an electrical power system, a substation is one of the most important parts. Because, a substation ensures a reliable and continuous supply of electricity.While designing and erecting a substation, we must take care of the following points -...