Electromagnetic Induction and Induced Voltage

In summary, the problem involves a loop with an area of 4cm^2 and a magnetic field of B = 0.6t. The loop is moving with a constant velocity of v = 6m/s in the opposite direction of the field. The question is how to solve for either the time (t) or length (L) in order to use the equations V=NB dA/dt sin q or V=NBLv. The given information does not provide enough parameters to solve for either value.
  • #1
Aphrael
24
0
The problem states:

A loop of area 4cm^2 has its plane parallel to the field lines of the magnetic field, B = 0.6t, as shown in the figure. The loop is pulled in the opposite direction of the field with a constant velocity of v = 6m/s.

I am confused as to solve this because I can't figure out an equation to use. It gives me area, magnetic filed, and velocity for a loop in plane. I can't use V=NB dA/dt sin q because I don't know t and I can't use V=NBLv because I don't know L. No matter how I try to solve for either of those values I get no where. I'm stuck and don't know how to start.
 
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  • #2
What is the question?
 
  • #3


The equation V = NBLv is the correct equation to use in this situation. In order to use it, you will need to find the value of L, which represents the length of the loop in the direction of motion. This can be calculated by dividing the area of the loop (4cm^2) by its width (which is not given in the problem). Once you have the value of L, you can substitute it into the equation along with the given values for N (number of turns), B (magnetic field), and v (velocity). This will give you the induced voltage in the loop, which is equal to the rate of change of magnetic flux through the loop. I would also recommend reviewing the concept of electromagnetic induction and Faraday's law to better understand the relationship between magnetic field, velocity, and induced voltage.
 

FAQ: Electromagnetic Induction and Induced Voltage

What is electromagnetic induction?

Electromagnetic induction is the process of generating an electric current in a conductor by placing it in a changing magnetic field. This phenomenon was first discovered by Michael Faraday in the 1830s.

What is induced voltage?

Induced voltage is the voltage that is created in a conductor when it is exposed to a changing magnetic field. This voltage is proportional to the rate of change of the magnetic field.

How does electromagnetic induction work?

Electromagnetic induction works by using a magnetic field to induce a current in a conductor. When the conductor is placed in a changing magnetic field, the magnetic field lines cut across the conductor and create a flow of electrons, resulting in an induced voltage.

What are some practical applications of electromagnetic induction?

Electromagnetic induction has many practical applications, including generators, transformers, and electric motors. It is also used in devices such as induction cooktops and wireless chargers.

What factors affect the strength of induced voltage?

The strength of induced voltage is affected by the strength of the magnetic field, the speed at which the magnetic field changes, and the number of turns in the conductor. The material and size of the conductor can also affect the induced voltage.

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