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Why does the acceleration of a magnet decrease while falling through a coil?
Wiki User
∙ 16y ago
Because as it falls through the coil it causes an electric current to flow in the coil. The energy for this electricity comes from the kinetic (the movement ie the falling) energy of the magnet. Thus as it falls through the coil it slows down as a little the energy of the falling movement is turned into electricity.
Wiki User
∙ 16y ago
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Does temperature affect the strengh of a magnet?
Yes, it does due to the magnetic force coming from the magnet. After a period of time the magnet that is in lower temperature increases while higher temperatures decrease.
Is it possible for the opposing magnetic field to be strong enough to completely stop an object from falling?
No because the magnetic field induced attracts the falling magnet, creating a force which slows down the magnet. If the magnetic field increased to a certain point where the force acting on the magnet was enough to stop the magnet from falling, gravity would act on the bob, causing the magnet to speed up again until it reaches a happy medium speed (or even a terminal speed if you will). When this happens, a changing magnetic field occurs and an induced current is formed again. This cycle repeats.
How is an electromagnet different from a refrigerator magnet?
A refrigerator magnet is magnetic because it is a "permanent" magnet. An electromagnet is a magnetic field caused by a current flowing through a wire.
How a compass can be used to trace the magnetic field of the magnet?
The pull of the magnet will over ride the earths magnetism. So the compass will react to the magnet as it passes through its field.
How is a solenoid similar to a magnet?
A solenoid acts like a magnet when an electrical current is sent through the coil. A permanent magnet is magnetic all the time. Therefore, they are similar when both act like a magnet, but not when the solenoid is turned off.
Will the acceleration due to gravity equals to magnetic field when a bar magnet falls through a metal ring?
Please note that a magnetic field is not measured in units of acceleration (or the equivalent force / mass), like gravity is. What exactly happens when a bar magnet falls through a metal ring will depend on the details of the situation - for example, how strong the magnetic field is, and the mass of the bar magnet.
Does magnetic force decrease as distance from the magnet increases?
Yes, as the distance of the magnet increase its magnetic force decreases
Why does it take longer for a magnet to fall through an aluminum cylinder?
In falling through the aluminum cylinder, the magnet attracts the aluminum of which it is made, and this force attraction "tries" to make it stop falling and stick to the side of the cylinder. But on the other hand, it is subject to the earth's strong gravitational field, which "tries" to make it continue its fall. As the magnetic force works in a different direction to the gravitational force, it will therefore interfere with the work that the latter is doing upon the magnet, and thus make it fall slower through the aluminum tube than it would normally do in air.
Does temperature affect the strengh of a magnet?
Yes, it does due to the magnetic force coming from the magnet. After a period of time the magnet that is in lower temperature increases while higher temperatures decrease.
How was the law of falling bodies discovered?
by using their on identifyng magnet GLASSes of thermodaynamics
Does can opener contain magnet?
Yes, some electric can openers contain a magnet to keep the lid from falling to the counter when the can opener cuts if off.
Name two things that a magnet force can pass through?
what are the things pass through magnet fields?
Why will a bar magnet fall slower and reach terminal velocity in a vertical copper or aluminum tube but not in a cardboard tube?
This is an aspect of Lenz's law. Copper is a non magnetic substance but is a conductor. When a magnet moves through the copper pipe it induces a current known as eddy currents. There will be a magnetic field created by the current. According to Lenz's law it will oppose the motion or change which is producing it. This results in an attractive force between the magnet and the copper pipe in which a current is induced by the falling magnet. The plastic rod is not conducting and hence it will not affect the fall.
What is a magnet that is creadted from electric current through a wire?
Electro-Magnet
What a moving magnet makes?
makes current flow through a magnet
Is it possible for the opposing magnetic field to be strong enough to completely stop an object from falling?
No because the magnetic field induced attracts the falling magnet, creating a force which slows down the magnet. If the magnetic field increased to a certain point where the force acting on the magnet was enough to stop the magnet from falling, gravity would act on the bob, causing the magnet to speed up again until it reaches a happy medium speed (or even a terminal speed if you will). When this happens, a changing magnetic field occurs and an induced current is formed again. This cycle repeats.
What are the parts of a magnet and the effect of breaking a magnet?
parts of a magnet-1. north pole2. south polethe breaking of a magnet form new magnets.when breaking is done along the axis ,pole strength decrease and along perpendicular axis it does not change.
