Help to explain electromagnetism, a loop of wire in a magnetic field.

In summary, the orientation of the loop relative to the magnetic field determines the magnitude of the current. When the loop is perpendicular to the field, it has its maximum current, and when it is parallel to the field, it has its minimum current. This is based on Ohm's law and Faraday's law, and a diagram may be needed for a more detailed answer.
  • #1
Clairepie
13
0

Homework Statement


What is the orientation of the loop relative to the magnetic field when the current has its maximum, and its minimum magnitude.

Homework Equations


Ohm's law & Faraday's law

The Attempt at a Solution



The loop of wire is perpendicular to the magnetic field which gives it it's maximum current...
When the loop of wire is parallel to the magnetic field so it is in the plane of the field, which gives it it's minimum current.

I have moderate cognitive dysfunction so am find explaining things I know, quite hard, gimme equations anyday, what more information do I need?

Thank you

Clairesie Clairepie
 
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  • #2
The loop of wire must be moving to generate a current. The maximum current occurs when the loop is moving in a direction perpendicular to the magnetic field, cutting through the field lines quickly. I think it will be necessary to have a diagram of the loop and magnets to answer this question properly.
 

FAQ: Help to explain electromagnetism, a loop of wire in a magnetic field.

What is electromagnetism?

Electromagnetism is a branch of physics that deals with the interaction between electrically charged particles and magnetic fields. It explains the relationship between electricity and magnetism and how they are interdependent.

How does a loop of wire in a magnetic field create an electromagnet?

When an electric current flows through a wire, it creates a magnetic field around the wire. When this wire is formed into a loop, the magnetic fields of each segment of the wire combine and are strengthened, creating a stronger magnetic field. This loop of wire in a magnetic field is known as an electromagnet.

What factors affect the strength of an electromagnet?

The strength of an electromagnet is affected by the number of loops in the wire, the amount of current flowing through the wire, and the material of the core (if present). The more loops, the higher the current, and the more magnetic material in the core, the stronger the electromagnet will be.

How does an electromagnet work?

An electromagnet works by using the principles of electromagnetism. When an electric current flows through a loop of wire, a magnetic field is created. This magnetic field can attract or repel other magnetic objects, depending on the direction of the current and the orientation of the objects' magnetic fields.

What are some practical applications of electromagnets?

Electromagnets have a wide range of practical applications, including in motors, generators, speakers, transformers, MRI machines, and particle accelerators. They are also used in everyday objects like doorbells, refrigerators, and credit cards. Electromagnets are essential in modern technology and have greatly improved our daily lives.

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