How does electromagnetism relate to an electric motor? What is the principle of the tangent galvanometer? How is electrical energy produced in dams? (That is, how is the energy of motion of the water converted to AC electricity?) What is definition of electric current?
How does electromagnetism relate to an electric motor? What is difference between electricity and magnetism? Describe nuclear magnetism. Explain this statement: "Rubber rods and fur define negative charges." What are some ways to transfer the motion of electric charge through a conductor?
The electricity magnetizes the electromagnet. Increasing current boosts the electromagnet's magnetic force, and decreasing current lowers the magnetism. When the current jumps to unsafe levels, the electromagnet is strong enough to pull down a metal lever connected to the switch linkage. The entire ...
The experiments wouldn't continue until the 17th century. That's when William Gilbert, an English physician and amateur scientist, began to study magnetism and static electricity. He repeated the research of Thales of Miletus, rubbing objects together and charging them by friction. When one object...
Thanks to Wooly Willy, we can see that there's a definite link between the phenomena of electricity and magnetism. A generator is simply a device that moves a magnet near a wire to create a steady flow of electrons. The action that forces this movement varies greatly, ranging from hand cr...
According to the energy conservation law, there is no such thing as free energy in the universe, as energy can never be created out of nowhere. It can... Learn more about this topic: Energy Conservation and Energy Efficiency: Examples and Differences ...
There are the main topics like classical mechanics, thermodynamics, electricity and magnetism, and quantum mechanics. Even these large topics are broken down further into smaller ones. For example, in classical mechanics, you'll learn about linear motion, rotational motion, forces, energy,...
In fact, the word electricity comes from the Greek elektron, which means amber. The experiments wouldn't continue until the 17th century. That's when William Gilbert, an English physician and amateur scientist, began to study magnetism and static electricity. He repeated the research of Thales ...
Einstein wasn't as big a genius as most people think. He did have a curious mind, however, and he wasn't afraid to think differently than other people around him believed. Around the time Einstein became interested in physics (1895), electricity, magnetism, and the phenomenon of light were...
In fact, the word electricity comes from the Greek elektron, which means amber. The experiments wouldn't continue until the 17th century. That's when William Gilbert, an English physician and amateur scientist, began to study magnetism and static electricity. He repeated the research of Thales ...