How do you increase the strength in an electromagnet by altering the coil?
Answer you can increase the strength of an electromagnet by:
1) Increasing the current flow
2) Increasing the number of coils
3) Passing an 'iron core' through the coil of the electromagnet
There are several things that can be done to increase the strength of an electromagnet. Increasing the current through the coil and/or adding more turns to the coil will do it. Wrapping the coil more tightly will be good (but there are trade offs.) Making the coil out of less resistive material will be better. So will making a superconducting coil. Increasing the efficiency of the core by using exotic materials will help, too.
Electromagnet is a device which works on the Fleming's left hand rule. The rule says that if a magnet, motion of current and direction of magnetic field are perpendicular to each other then the flowing causes motion in the coil.( due to the Lorentz's force). The rule states that the speed of the coil: * is directly proportional to the flow of current, i.e. more is the flow of current, more is the speed of…
Probably the quickest and easiest is to increase the current flow through the electromagnet's coil. It should be noted that there are limits on the amount of current that can be used to increase the field strength of an electromagnet. Certainly the coil imposes some limits, and they're pretty straight forward, but there is another consideration. That consideration is saturation of the core. At some point, the core material will only be able to effectively…
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An electromagnet consists of a coil of wire, wrapped around either empty space or else an iron core, with electric current flowing through the coil. To make an electromagnet stronger: -- Wind the coil with more turns of wire. -- Insert an iron core through the center of the coil. -- Increase the current (amperes) flowing through the wire.
The strength of the electromagnet depends on the magnitude of the current in the coil around it. The voltage required is only what produces the desired current in the coil. Since the coil is nothing but wire, the resistance is quite low, and a relatively small voltage produces a relatively large current.
A coil of wire or a coil in the shape of a cylinder is a typical shape for an electromagnet (or a solenoid). The strength of the magnetic field of an electromagnet can be increased significantly if the coil is wrapped around an iron core. This configuration may be called an inductor when used as an element of an electrical circuit.
Why the magnetic field strength of an electromagnet be reduced in decrease the number of loops in the coil?
You can change the strength of an electromagnet 3 ways. You can increase the amount of current (Amperes) running through your wire. You can increase the number of turns, or, if insulated, number of layers of turns on your wire coil. Last you can change the core - material, density, diameter, length.
A coil of copper wire when connected to a flashlight cell becomes an electromagnet. What will make the magnet stronger?
The only similarities are that they both have magnetic fields and they both have a ferrous core. A permanent magnet is magnetic at all times. An electromagnet is only magnetic when there is a current passing through the coil around a ferrous core. Whereas a permanent magnet has a fixed field strength, the field strength of an electromagnet is dependent on the amount of electric current applied to it.
The electromagnet is made stronger in proportion to the current given. Refer to the link provided for more information. Answer When current passes through the coil of wire surrounding the core of an electromagnet, it acts to align the magnetic domains within that core. Once all the domains have been aligned, the electromagnet has reached 'saturation' and is as strong as it can get. So the strength of an electromagnet is NOT proportional to its…