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What are electromagents?
Magnets that are turned on by passing an electric current through them, and turned off by not allowing an electric current through them.
What do magnets have to with electricity?
Faraday showed that a wire passing through a magnetic field will produce electricity. This is how a generator works. Many windings of wire on an armature spin in a magnetic field. This makes electricity.
Different types of magnets used in everyday life time?
These are some examples of magnets: Fridge magnet Toys door hinges computers credit cards jewellery ........ etc...... hope this helps :) xx
Do magnets repel non magnetic materials?
No, a magnet does NOT have the ability to attract materials that are NON-magnetic (unless it has something magnetic on it, or has magnetic material in it). Duhhh!!! I'm in seventh grade and even I know that!!! ; )
What does sifting mean in science?
In science, sifting means to separate smaller particles from larger ones by passing them through a sieve whose pore size is intermediate between the two particle sizes.
What is the ifference between an electromagnet and a permanent magnet?
Electromagnets and permanent magnets both attract or repel other magnets and attract iron and other substances. An electromagnet is a magnet that is only active when it has a current passing through it; permanent magnets are always active.
What are the differences between electromagnets and permanent magnets, and how do electromagnets differ from permanent magnets?
Electromagnets and permanent magnets differ in how they are created and their magnetic properties. Electromagnets are temporary magnets created by passing an electric current through a coil of wire, while permanent magnets are naturally occurring magnets with a fixed magnetic field. Electromagnets can be turned on and off by controlling the electric current, while permanent magnets always have a magnetic field.
What are the differences between electromagnets and permanent magnets, and how do they function differently?
Electromagnets are temporary magnets created by passing an electric current through a coil of wire, while permanent magnets are naturally occurring magnets that retain their magnetism without an external power source. Electromagnets can be turned on and off by controlling the electric current, while permanent magnets always have a magnetic field.
Why does a meteor burn?
Because of the extreme heat produced by the friction between the air and the meteor, which is passing through at tremendous speeds.
What is the word that means the force preventing 2 materials in contact passing each other?
The force preventing two materials in contact passing each other means that it's the same with magnets but they don't contact with each other.
How is friction harmful while playing football in paragraph?
Friction can be harmful while playing football as it can lead to skin abrasions, blisters, and discomfort when running or changing directions quickly. Excessive friction between the football and the playing surface can also affect ball control and passing accuracy. Additionally, friction between players during physical contact can increase the risk of injuries such as sprains or strains.
Do bulb make use of magnets to work?
No, bulbs do not make use of magnets to work. Light bulbs function by passing electricity through a filament, which then emits light and heat. Magnets are not involved in the process of generating light in bulbs.
What causes drag on an airplane?
Two things: first, friction between the outside of the plane and the air it's passing through. Second, turbulence in the air will drag on the plane.
Why does the space shuttle get hot passing through the ozone layer?
It is because of the friction created in atmosphere. The friction and pressure is not only in ozone but overall.
What are electromagents?
Magnets that are turned on by passing an electric current through them, and turned off by not allowing an electric current through them.
A breaker forms as a result of friction from a trough passing over the ocean floor.?
true
Does a light bulb have magnet?
No, a light bulb does not have magnets. A light bulb works by passing electricity through a filament, causing it to glow and produce light. Magnets are not used in the operation of a regular light bulb.
