Calculating Induced Current and Force in Moving Magnet Over Solenoid

In summary, the conversation discusses the calculation of induced current in a solenoid when two semicircle magnets move around it with a constant velocity. The orientation of the magnets and the potential force they experience due to Lenz's law are also mentioned. There is a question about the orientation of the magnets and the likelihood of the induced current being zero due to the magnetic lines staying within the body of the magnets.
  • #1
jinnkraft
15
1
can someone help with this calculation

two semicircle magnets N-S of strength 'B' encircle a solenoid of length 'L' and move with a constant velocity 'V'. what will be the current 'I' that is induced in solenoid. also, what force will the magnet experience because of this current (Lenz's law)
 
Physics news on Phys.org
  • #2
what is the orientation of these semicircle magnets? are the poles at the end so that they attract each other and make a circle? if so, if could very well be that the induction is zero...the magnetic lines of the magnets simply stay inside the body of the magnets and have no need to go out and turn around to go from north to south. Force=0, too.
 

FAQ: Calculating Induced Current and Force in Moving Magnet Over Solenoid

How does moving a magnet over a solenoid produce electricity?

When a magnet is moved over a solenoid, it creates a changing magnetic field. This changing magnetic field induces a current in the solenoid, thus producing electricity.

What is the relationship between the strength of the magnet and the amount of electricity produced?

The strength of the magnet affects the amount of electricity produced by the solenoid. The stronger the magnet, the greater the magnetic field and the higher the induced current in the solenoid.

Can any type of magnet be used to produce electricity with a solenoid?

Yes, any type of magnet can be used to produce electricity with a solenoid. However, stronger magnets will produce a higher current and therefore more electricity.

Is there a specific direction the magnet must be moved in order to produce electricity?

No, there is no specific direction that the magnet must be moved in order to produce electricity with a solenoid. As long as the magnet is moving over the solenoid, a changing magnetic field will be created, inducing a current.

What factors affect the amount of electricity produced when moving a magnet over a solenoid?

The amount of electricity produced when moving a magnet over a solenoid is affected by the strength of the magnet, the speed of movement, the number of turns in the solenoid, and the distance between the magnet and the solenoid. Additionally, the presence of any other magnetic fields in the surrounding area can also impact the amount of electricity produced.

Back
Top