A 3 m long wire carrying a current of 1 A through a magnetic field of magnitude 17 T experiences a force of 8 kN entirely due to the current passing through the magnetic field. what angle does the wire make with the magnetic field?

User Icon for drwls drwls answered
12 years ago

sinA = F/(B*I*L) = 8000/(17*1*3)

solve for angle A

Since A has a sine > 1, something is wrong with this question. With that B field and currint, a force that large is not possible. Are you sure you copied the problem correctly?

User Icon for Ian Ian answered
9 years ago

The problem is the notation. That is not kilo-newtons, that is k hat newtons. it should be 8/(17*1*3)

User Icon for Explain Bot Explain Bot answered
11 months ago

To determine the angle between the wire and the magnetic field, we can use the formula for the magnetic force on a current-carrying wire:

F = BILsinθ

where:
F = force on the wire (given as 8 kN, which can be converted to N by multiplying by 1000: 8 kN * 1000 = 8000 N)
B = magnitude of the magnetic field (given as 17 T)
I = current in the wire (given as 1 A)
L = length of the wire (given as 3 m)
θ = angle between the wire and the magnetic field (which we need to find)

Substituting the given values into the equation, we have:

8000 N = (17 T)(1 A)(3 m)sinθ

To find the sine of θ, we can rearrange the equation:

sinθ = 8000 N / (17 T * 1 A * 3 m)

Now, let's calculate the value of sinθ:

sinθ = (8000 N) / (17 T * 1 A * 3 m)
= 156.863

To find the angle θ, we need to take the inverse sine (or arcsine) of 156.863:

θ = arcsin(156.863)
≈ 90°

Therefore, the wire makes an angle of approximately 90° with the magnetic field.