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How can the magnetic field strength of an electromagnet be reduced?
Wiki User
∙ 9y ago
Either increasing the size of the current (in amps) or the number of turns of wire wrapped around the core will make a stronger magnet. A larger current will make a stronger magnet (up until too much makes the wire melt!). Increasing the voltage forces more current through the electromagnet.
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoan electromagnet can be controlling by turning the current on or off; adding or removing the number of coils of wire; or by increasing or decreasing the amount of current flowing in the coils by using a stronger battery cell.
Wiki User
∙ 10y agoOnce an electromagnet has been built, the only thing you can control is
the strength of the magnetic field. You would do that by controlling the
magnitude of the current in the electromagnet's wire coil.
Wiki User
∙ 11y agoTurn the power on and off. An electromagnet is by definition a magnet whose force is created by electricity.
Wiki User
∙ 9y agohow can the magnetic field strength of an electromagnet be reduced
Wiki User
∙ 9y agowhat are some good ways to control an electromagnet
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What does a electromagnet create?
a magnetic field
Why do the number of windings around an electromagnet affect the strength of and electromagnet?
This is because an electromagnet gets its magnetic force from the electrons passing through the wire, the more coils there are the more electrons passing through so the more magnetic power. Obviously this only works to an extent since you would need more voltage and so on.
Can an electromagnet have an aluminum core?
The magnetic field will be not be as strong. It will be weaker.
List the factors on which the strength of the magnetic field of an electromagnet depends?
The strength of an electromagnets magnetic field depends on:The type of core metalThe ability of the wire to carry current (its material and thickness)The number of turns of the wiring around the coreThe voltage/current of the electricity going through the wire.
Wooden core electromagnet vs iron core electromagnet?
A coil of wire or a coil in the shape of a cylinder is a typical shape for an electromagnet. The strength of the magnetic field of an electromagnet can be increased significantly if the coil is wrapped around an iron core. This does not happen with nonmagnetic materials such as wood or aluminum or rubber. The enhancement of the electromagnet is caused by the magnetic properties of iron. The atoms of iron have magnetic properties as a consequence of thier electronic structure. (The cause of magnetism at the atomic level is a complex issue if described in detail and that complexity is beyond this explanation.) In a simplified picture one can say that at the atomic level the iron atoms act like little magnets. The magnetic characteristics of iron are such that an external magnetic field causes the rearrangement of the electronic structure of the iron at the atomic level and that creates a magnetization in the iron. That magnetizations has its own magnetic field just like a normal permanent magnet. The field created by the magnetization of the material adds to the external field and one gets a stronger magnetic field in and around the iron core.
Why the magnetic field strength of an electromagnet be reduced in decrease the number of loops in the coil?
Each coil contributes to the magnetic field, and the contributions of the individual loops all add up.
How does the number of wraps of wire affect the strength of an electromagnet?
The more turns of wire in an electromagnet the stronger the magnetic field.
Which change will most likely increase the strength of a magnetic field produced by an electromagnet?
Add a battery
Why is the strength of an electromagnet so much greater than the strength of a solenoid's magnetic field?
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How do you test the lifting strength of an electromagnet Such as how many pounds can a specific magnet lift. How to test magnet strength in the field.?
the magnetic field of a magnet is measured through Gaussmeters.
What does a electromagnet create?
a magnetic field
What factors of an electromagnet affect the strength of the magnetic field?
One of them is how many coils go around the electromagnet. also the amout of current flow< and the type of core material.
Why does more coils make an electromagnet stronger?
The illustration on the HowStuffWorks website is probably the easiest to understand. As you add coils to the electromagnet you have more and more magnetic field traveling in a certain vector (depending on which way current is flowing). It's much like a lot of physics...as you add horses to a plow the force is increased. As you add coils to an electromagnet the magnetic field increases. As I said, check out this link for better understanding. http://science.howstuffworks.com/electromagnet4.htm\ A wire with an electric current passing through it, generates a magnetic field around it, this is a simple electromagnet. The strength of magnetic field generated is proportional to the amount of current. if we were to increase the number of coils the strength of the magnetic field would increase, also increasing the strength of the magnet
Can an electromagnet create a magnetic field when the battery is removed?
If the electromagnet has a core, which has become magnetized, then the core will have a residual magnetic field when the power is removed.
Is Venus electromagnet?
No. Venus has no magnetic field.
When does an electromagnet produce a field?
An electromagnet produces a magnetic field when current is passed through it wire winding.
What is difference between of Electromagnet and Electric Magnetic Field?
An electromagnet is a magnet that only generates magnetic forces when electricity is running through it, basically a magnet that can be turned on and off. An electromagnetic field is the magnetic force generated when an electromagnet is used.
