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What magnet can be switched on and off?
An electro-magnet can be turned on and off.
Is a strong magnet that can be turned on and off?
an electromagnet
What is a strong magnet that can be turned on and off.?
an electromagnet
What is the use of a Electromagnet in cranes?
To have a magnet that can be turned on and off.
An advantage of an electromagnet (in contrast to a bar magnet) is?
An electromagnet can be turned on and off.
How does a magnet with an on-off switch work?
A magnet with an on-off switch works by controlling the flow of electricity to the magnet. When the switch is turned on, electricity flows through the magnet, creating a magnetic field. This magnetic field attracts or repels other magnetic objects. When the switch is turned off, the flow of electricity stops, and the magnetic field disappears, causing the magnet to no longer attract or repel objects.
What is the name of the magnet that cannot be turned off?
The magnet that cannot be turned off is called a "permanent magnet." Unlike electromagnets, which can be turned on and off by controlling electric current, permanent magnets maintain their magnetic properties without any external power source. They are made from materials like iron, nickel, or cobalt, and their magnetism results from the alignment of atomic magnetic dipoles.
What is the difference in a common bar magnet and an electromagnet?
The comon bar magnet has two poles, and the electromagnet can be turned on and off also the electromagnet uses electricity to create a magnetic field in the first place. so the difference is normal magnet cant be turned on and off but the electromagnet can. does that answer ur question?
What is a magnet that can be turned on and off called?
A magnet that can be turned on and off is called an electromagnet. It works by running an electric current through a wire coil to generate a magnetic field, which can be controlled by turning the current on or off.
What is a scrapyard magnet?
a scrap yard magnet is an electro magnet used to pick up bits of metal. this is used because it can drop the metal because it can be turned on and off
Is electromagnet a permanent magnet?
No, an electromagnet is not a permanent magnet. It is a magnet that produces a magnetic field when an electric current is passed through it, and the magnetic field disappears when the current is turned off.
What is different about an electromagnet compared to a regular magnet?
An electromagnet is different from a regular magnet because it can be turned on and off by controlling the flow of electricity through it, while a regular magnet is always magnetic.
