Magnetic Field Produced by Loops and Solenoids Video Lessons

Concept

# Problem: The wire semicircles shown in Fig. P28.66  have radii a and b. Calculate the net magnetic field (magnitude and direction) that the current in the wires produces at the point P.

###### FREE Expert Solution

Magnetic field:

$\overline{){\mathbf{B}}{\mathbf{=}}\frac{{\mathbf{\mu }}_{\mathbf{0}}\mathbf{i}}{\mathbf{4}\mathbf{r}}}$

The magnetic field due to the inner semicircle at point P is coming out of the page and is found as:

B2 = μ0i/4a

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###### Problem Details

The wire semicircles shown in Fig. P28.66  have radii a and b. Calculate the net magnetic field (magnitude and direction) that the current in the wires produces at the point P.

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Magnetic Field Produced by Loops and Solenoids concept. You can view video lessons to learn Magnetic Field Produced by Loops and Solenoids. Or if you need more Magnetic Field Produced by Loops and Solenoids practice, you can also practice Magnetic Field Produced by Loops and Solenoids practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Marin's class at UCF.