Find the magnetic induction vector

In summary, finding the magnetic induction vector involves determining the magnetic field's strength and direction at a point in space. This vector, often denoted as B, represents the magnetic influence on moving charges and currents. The calculation can be performed using Ampère's Law, Biot-Savart Law, or through magnetic materials' properties, taking into account factors such as current, magnetic permeability, and the geometry of the system.
  • #1
LinguaBrous
2
0
Homework Statement
Two infinitely long parallel conductors located at a distance of 5 cm from each other carry currents of 1 A and 2 A, respectively, in different directions. What is the direction and magnitude of the magnetic induction vector at a point located at a distance of 3 cm from the first conductor?
Relevant Equations
##\mathbf{B} = \frac{\mu_0 \cdot I}{2\pi \cdot r}##
I can find the magnetic induction vector of the first conductor at a given point using the formula (its 6,667*10^-7 Tl) but I don’t understand what needs to be done with the second conductor. I have come across similar problems in which, however, the distance from the second conductor to the point was given. In those problems, the vector was found using the cosine theorem or other geometric laws. Here I cannot figure out how I should understand at what distance the point is from the second conductor. I guess that I should consider several cases and get several answers for this problem but I don’t quite understand what these cases could be (like building a triangle from 3 points and adding 1 degree to the angle or something like that) Thanks everyone for any help in advance.
 
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  • #2
There is certainly missing information. Maybe it was supposed to say "a point between them".
 
  • #3
haruspex said:
There is certainly missing information. Maybe it was supposed to say "a point between them".
This is the exact text of the problem that my professor wrote on the board.

In any case, during the night I only reached the following: there are 4 cases to consider.

The point lies between them.

The point lies to the left of the first conductor.

The point lies at the same distance from the second conductor as from the first (equilateral triangle).

The point lies so that a right triangle is formed.

Maybe there are some other cases that I have not considered, but for which a solution can be found using this data? Or maybe it's not solved like that at all)
 
  • #4
LinguaBrous said:
This is the exact text of the problem that my professor wrote on the board.

In any case, during the night I only reached the following: there are 4 cases to consider.

The point lies between them.

The point lies to the left of the first conductor.

The point lies at the same distance from the second conductor as from the first (equilateral triangle).

The point lies so that a right triangle is formed.

Maybe there are some other cases that I have not considered, but for which a solution can be found using this data? Or maybe it's not solved like that at all)
The possibilities form a complete circle around the first conductor.
 

FAQ: Find the magnetic induction vector

What is the magnetic induction vector?

The magnetic induction vector, often denoted as **B**, represents the magnetic field in a given region of space. It describes the density and direction of magnetic field lines and is a key component in understanding electromagnetic phenomena.

How is the magnetic induction vector related to the magnetic field strength?

The magnetic induction vector **B** is related to the magnetic field strength **H** through the equation **B = μH**, where **μ** is the permeability of the medium. This relationship shows how the magnetic properties of the material affect the overall magnetic field.

What units are used to measure the magnetic induction vector?

The magnetic induction vector **B** is measured in teslas (T) in the International System of Units (SI). One tesla is defined as one weber per square meter, which quantifies the strength of the magnetic field.

How can I calculate the magnetic induction vector in a uniform magnetic field?

In a uniform magnetic field, the magnetic induction vector can be calculated using the formula **B = μ₀(H + M)**, where **μ₀** is the permeability of free space, **H** is the magnetic field strength, and **M** is the magnetization of the material. If the medium is non-magnetic, then **M** is zero, simplifying the equation to **B = μ₀H**.

What is the significance of the magnetic induction vector in electromagnetic theory?

The magnetic induction vector is crucial in electromagnetic theory as it helps describe how magnetic fields interact with electric currents and charges. It plays a vital role in Maxwell's equations, which govern the behavior of electric and magnetic fields, and is essential for understanding phenomena such as electromagnetic induction and wave propagation.

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