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radaballer
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If a solenoid were wrapped around a bar magnet, and a charge were applied through the solenoid, would there be resistance?
radaballer said:If a solenoid were wrapped around a bar magnet, and a charge were applied through the solenoid, would there be resistance?
Ok, will the current encounter resistance as it moves the magnet?Sturk200 said:This is exactly the principle behind how speakers work. Either the solenoid or the magnet would be caused to move (depending on which is anchored more sturdily) due to the interaction of the resulting magnetic field. In a speaker, of course, it is the solenoid that moves and vibrates a cone with varying effects depending on the properties of the current passed through it.
radaballer said:Ok, will the current encounter resistance as it moves the magnet?
radaballer said:Ok, will the current encounter resistance as it moves the magnet?
A solenoid is a coil of wire that produces a magnetic field when an electric current is passed through it.
When current flows through a solenoid wrapped around a magnet, the magnetic field generated by the solenoid interacts with the magnetic field of the magnet. This interaction creates a resistance to the flow of current through the solenoid, which can be measured using Ohm's law (V=IR).
The resistance is caused by the magnetic fields of the solenoid and magnet interacting with each other. This interaction creates an opposing force to the flow of current, which results in a resistance.
Yes, the resistance of a solenoid wrapped around a magnet can be altered by changing the strength of the magnetic field of either the solenoid or the magnet, or by changing the amount of current flowing through the solenoid.
Solenoids wrapped around magnets are used in many devices such as speakers, motors, and generators. The resistance of the solenoid is an important factor in determining the efficiency and functionality of these devices.