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The more electricity the more powerful the magnetic field.
Increase the voltage, which for the given resistance of the coil, will also increase the current and the magnetic field.
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∙ 12y ago
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What are some ways to increase the magnetic field strength?
Increase the size of the magnet. Increase the current passing through the wires (electromagnets) Increase the number of coils of the wire (electromagnets)
What can be done with an electromagnet that cannot be done with a regular permanent magnet?
Its strength can be easily manipulated (e.g. you can switch it off). Or the strength can be varied with the current. Electromagnets can reverse polarity (by reversing the current).
How are electromagnets different from magnets?
You can turn electromagnets on and off.
How are electromagnets different from permanent magnet?
You can turn electromagnets on and off.
Where use electromagnets?
Inside of electric motors are electromagnets and permanent magnets. In a metal junk yard large electromagnets are used to pick up metal. In MRI's large electromagnets are used for imaging.
Do electromagnets lose strength?
Only once the electricity is switched off.
Can increase the strength of an electromagnets field by?
using a stronger ferromagnetic material for the core. :)
What are some ways to increase the magnetic field strength?
Increase the size of the magnet. Increase the current passing through the wires (electromagnets) Increase the number of coils of the wire (electromagnets)
How the strength of the electromagnets can be varied?
by increasing or decreasing the charge going through the coils or moving an iron core in and out of the coils.
What can be done with an electromagnet that cannot be done with a regular permanent magnet?
Its strength can be easily manipulated (e.g. you can switch it off). Or the strength can be varied with the current. Electromagnets can reverse polarity (by reversing the current).
What is the flow of electromagnets called?
Electromagnets
Which of the following statement about electromagnets is true?
Electromagnets are temporary magnets that are created when electric current flows through a wire coil. The strength of an electromagnet can be increased by increasing the number of turns in the wire coil, increasing the current flowing through the coil, or by using a ferromagnetic core material.
Do electromagnets affect glue?
Electromagnets do not affect glue.
How are electromagnets different from magnets?
You can turn electromagnets on and off.
Where is the electromagnet the strongest?
The strongest type of electromagnets are superconducting electromagnets. Usually these superconducting electromagnets are immersed in liquid nitrogen or liquid helium to cool them to near absolute zero. === === For non-superconducting electromagnets, the strongest electromagnets would have the greatest ampere turns over a large area. The core of the magnet would be a highly ferromagnetic material, such as iron, or a mixture of a ferrite and a ceramic. Very strong electromagnets used for lifting machinery have both poles on the bottom side which will maximize the magnetic field produced. Non-superconducting electromagnets will saturate and stop producing magnetic fields at about 2 teslas or so. This is the limit of magnetic strength of ordinary electromagnets.
How are electromagnets different from permanent magnet?
You can turn electromagnets on and off.
Do food processors have electromagnets?
Yes, food processors do have electromagnets.
