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What type of magnets are produced by running rlrctric current through a soft iron core?
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What types of magnets are produced by running current through a soft iron core?
electromagnets
Are permanent magnets only attracted to other permanent magnets?
No, they are attracted to: Other permanent magnets Solenoids Iron Wires with current running through them
What is a magnet that can be turned on and off called?
Electromagnets have an electric current running through them that enables there conductive power to be strengthened. However, a magnets full conductive power can never be "turned off/on".
How an unmagnetized metal core is magnetized when it is inserted in a solenoid to make an electromagnet?
The solenoid will create a magnetic field inside the solenoid, running parallel to the length of the solenoid. This will happen with or without any metal core, when the current is running. If there is an iron metal core the solenoid's magnetic field will rotate the atoms in the iron in such a way as to reinforce the solenoid's field. The iron atoms are themselves tiny magnets oriented randomly. When alligned, the tiny magnets add to the original solenoid field to give a much stronger magnet.
What types of magnets are produced by running electrical currents through a soft iron core?
temporary magnets Incorrect, it's electromagnetic.
What types of magnets are produced by running electric current through a soft iron?
temporary magnets Incorrect, it's electromagnetic.
What types of magnets are produced by running current through a soft iron core?
electromagnets
What types of magnets are produced by running electric current through a solf iron core?
Nothing is produced just by putting electric current through a soft iron core. It needs wire to be be wound around it in a certain fashion, then it may produce direct current.
Are permanent magnets only attracted to other permanent magnets?
No, they are attracted to: Other permanent magnets Solenoids Iron Wires with current running through them
Magnets that are made by wrapping wire around a metal rod and running electric current through the wire are called what kind of magnets?
Electromagnets.
What type of magnet are produced by running electric through a soft iron core?
temporary magnets Incorrect, it's electromagnetic.
Permanent magnets and electromagnets both hold their magnetism for a long period?
the answer is false Permanent magnets will hold their magnetism for a long period of time. Electromagnets will only remain magnetic as long as current is flowing through them.
Which magnetic material can retain permanent magnetization?
False permanent magnets can but electromagnets need a running current A+
How are magnets used to generate elecricty in a power station?
Yes, you can. You may recall that by running electricity through a coiled wire (solenoid) with an iron bar in the center, we can create an electromagnet. If we reverse this process and put a strong magnet through a solenoid, we can generate electricity. All you will have to do is move the magnet up and down in order to generate electricity.
When a car is running is the current ac or DC?
AC (alternating current) is produced in the the alternator. It is converted to DC (direct current) in the alternator by a configuration of diodes called a bridge rectifier. The remainder of the electrical system is DC.
What material is used in electro magnets?
The magnetic field in an electromagnet is actually produced by the coil of wires with a current running through it. However certain materials, termed 'ferromagnetic' materials concentrate the magnetic flux when a rod of the material is placed within the coil (termed the 'magnetic core'). The most common of materials used for this have been iron based.
Why aren't all magnets magnetic?
A magnet is by definition magnetic. What was a magnet may now be simply a piece of steel or iron, since losing its magnetism makes it not a magnet anymore. An electromagnet is only magnetic when it has current running through it, and is not magnetic when turned off.
