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The strength of an electromagnet only depends on the current in the coils?
Wiki User
∙ 15y ago
And the amount of coils.
Wiki User
∙ 15y ago
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How can an electromagnet be made stronger?
An electromagnet can be made stronger by: - A bigger iron rod. - A bigger battery/more batteries - More coils around the iron rod. - A bigger magnet. - Increase the current flowing through the coil. - Put in a soft iron core.
How can the current on an electromagnet increase?
Yeah buddy - until something smokes. It does, and so does increasing the amp supply but you have to be careful not to melt the wire. Preferably you should increase both. -Good Luck Note; You automatically increase the amps being used by increasing the voltage applied.
How do you increase current in electromagnet?
1. Increase the strength of the magnetic field. (More field lines to be cut by wire, therefore more voltage induced) 2. Move the magnet - or the wire - more quickly. (More field lines cut per second, therefore more voltage induced) 3. More coils in wire. (A single straight wire moved in a magnetic field will cut the lines once, but a coil of wire will cut the lines twice. More coils, more cutting, more induced voltage).
What produces electricity by spinning a magnet in a coil of wire?
A generator or alternator. If the magnetic field is permanent, the current produced from the coil will be alternating current. AC. Alternators usually work the other way round. The magnet is spun inside a coil of wire. The power is taken off from the stator. The rotor is an electromagnet, fed via slip rings on the shaft. The strength of the magnet can be varied and controlled externally, to control the output voltage.
Why are the M and C terminals of a watt meter short circuited?
In a watt-meter there are four terminals: M,L which are the current coils and C,V which are called as pressure coils . . To measure the current the measuring instrument should be placed in series with the load but in case of voltage, the instrument should be connected in parallel to the load . . therefore M from the current coil and C from the pressure coil are can be short-circuited to measure the power of the given circuit. by hameed khan md, hyderabad e-mail:hameed.shonnu@gmail.com THANK u
What factors control the strength of an electromagnet?
The strength of an electromagnet is determined by the density of coils surrounding the magnet, and the rate of current passing through those coils.
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.
Write any two factors on which strength of induced current depends?
The strength of induced current depends on the number of coils of the cunductor and the strength of the magnet.
Does the strength of an electromagnet depend on the number of volts passing through the wire or the number of coils of wire wrapped around the iron core?
The strength of an electromagnet depends on: -- The magnitude of the current through the wire. (This depends on the voltage between the ends of the wire.) -- The number of turns of wire in the coil wrapped around the iron core.
Does the size of the core affect the strength of a electromagnet?
That's because the strenght of the electromagnet is related to the number of coils then, the more coils gets more strenght because as you add more coils to the electromagnet you have more and more magnetic field. -I hope this answer helps you if you have a question regarding any questions on any subject please fell free to ask. Thank You
What effect does decreasing the number of coils around the nail have on the strength of the electromagnet?
Decreasing the number of coils reduces the strength of the magnet.
How can the magnetic field strength of an electromagnet be reduced?
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.
Why does the strength of the electromagnet increase from the coils?
The electromagnet is made stronger in proportion to the current given. Refer to the link provided for more information.AnswerWhen 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 magnetising current.
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
What is stronger an electromagnet with 20V and 5A or one with 5V and 20A?
The strength of an electromagnet depends on the current through the coil andthe number of turns in the coil. The voltage across the coil doesn't matter at all.So IF both of your electromagnets have the same number of turns in their coils,then the one with 20A of current is stronger than the one with 5A of current.If they have different numbers of turns in their coils, then we need more informationbefore we can decide which one is stronger.
Does the number of coil of wire in an electromagnet affect its magnetic strength?
yes,the more the coils the more the strength it collects
What happens to the strength of an electromagnet when the voltage in the coils of the solenoid is decreased?
The greater the current in the coil, the stronger the magnetic field will grow. Conversely, lowering the battery voltage decreases the current, weakening the field.
