Topic: Electromagnetism Uses
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Answers to Common Questions
Where are Electromagnets Used?
Magnets that run on electricity are called electromagnets. Electromagnets are used in many disciplines and things including medical, engineering and technology fields. For example, you can find electromagnets in cars, electrical appliances ... Read More »
Source: http://answers.ask.com/Science/Physics/where_are_electromagnets_u...
What are Electromagnets Used for?
Electromagnets has various applications. Electromagnets are used in Relays, Flow Control, Valves, Tape Recorders, Hard Disks, Docks, etc. Read More »
Source: http://answers.ask.com/Science/Physics/what_are_electromagnets_us...
What Are the Uses for Electromagnets?
Electromagnets take advantage of the ability of electrical currents to induce a magnetic field. More controllable than ferrous magnets, electromagnets allow for rapid manipulation and even the switching on and off of a magnetic field. Elect... Read More »
Source: http://www.ehow.com/about_4649228_what-uses-electromagnets.html
More Common Questions
Answers to Other Common Questions
Electricity and magnetism are closely related, and the physics of these two similar properties is known as electromagnetism. An electromagnet is a device using an electrical current to generate a magnetic field. You can make a simple electr...
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Source: http://www.ehow.com/how_5313042_use-electromagnetism.html
An electromagnet generates a magnetic field from the flow of electric current and is generally stronger than permanent magnets that don't require electricity. The magnetic field of an electromagnet is proportional to the current and is conc...
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Source: http://www.ehow.com/how_5185144_use-electromagnets.html
Before plasma and liquid-crystal displays (LCD) became popular, the cathode ray tube (CRT) was an essential part of every TV screen. Electromagnets at the base of the CRT steer an electron beam back and forth, producing an image on the scre...
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Source: http://www.ehow.com/facts_5894713_electromagnets-used-tv-screens_...
Electromagnets are magnets powered by an electric current. They consist of a coil of wire. It's often wrapped around a magnetic core made of iron or some other ferromagnetic material. The electromagnet only emits a magnetic field when the c...
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Source: http://www.ehow.com/about_4703546_what-electromagnets-used-everyd...
Electric currents create magnetic fields. You can build up a magnetic field, folding it over on itself repeatedly, by coiling up the current-carrying wire. The coil alone can serve as an electromagnet. By putting a rod of magnetizable mater...
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Source: http://www.ehow.com/how_5872489_create-electromagnet-using-iron.h...
Understanding the operation of a Telsa coil can be a great subject for science class. There are many visual projects that show the operation and effects of the coil, such as making a light bulb glow without being plugged in, how different g...
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Source: http://www.ehow.com/how_4480638_use-electromagnets-tesla-coil.htm...
Creating an electromagnet using a battery, nail and wire is an excellent demonstration for elementary school age children. This task does require some adult supervision as there is electricity involved. It provides an opportunity to see how...
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Source: http://www.ehow.com/how_5805585_create-using-battery_-nail-wire.h...
