Magnetic Field Strength in a Solenoid at t = 1 ms

In summary, the question is asking about the magnitude of the magnetic field inside a solenoid at t = 1 ms, which is not the same as the emf of the solenoid. The strength of the magnetic field can be calculated using an equation for the B of a solenoid and the current in the inductor at the given time.
  • #1
vysero
134
0

Homework Statement



What is the magnitude of the magnetic field inside the solenoid at t = 1 ms?

Homework Equations



Not sure

The Attempt at a Solution



Well I would make an attempt but firstly I have a question. What I want to know is the above question simply referring to the emf of the solenoid? Is the emf the same thing as the magnetic field? I cannot seem to find an equation relating magnetic fields and inductors.
 
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  • #2
No, it is asking about the strength of the magnetic field, which is not the same as the emf.
 
  • #3
axmls said:
No, it is asking about the strength of the magnetic field, which is not the same as the emf.

Right moments after posting this I found an equation for the B of a solenoid. I then found i for the inductor based on the given time and was able to find the stregth of B from that.
 

FAQ: Magnetic Field Strength in a Solenoid at t = 1 ms

What is a magnetic field?

A magnetic field is a region in space where a magnetic force can be detected. This force is produced by moving electric charges, such as electrons, and is characterized by its direction and strength.

How are magnetic fields created?

Magnetic fields are created by moving electric charges. This can occur naturally, such as in the Earth's molten core, or artificially, through the use of electromagnets.

What is an emf?

EMF stands for electromotive force. It is a measurement of the electrical potential difference between two points in a circuit. It is also known as voltage.

How are magnetic fields and emf related?

Magnetic fields and emf are closely related. A changing magnetic field can induce an emf in a conductor, which can then produce an electric current. Similarly, an electric current in a conductor can create a magnetic field.

What are some practical applications of magnetic fields and emf?

Magnetic fields and emf have numerous practical applications. They are used in generators to produce electricity, in motors to convert electrical energy into mechanical energy, and in devices such as MRI machines for medical imaging. They are also used in compasses, speakers, and many other everyday devices.

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