Magnetic Field Produced by Loops and Solenoids Video Lessons

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Problem: One long solenoid is placed inside another solenoid. Both solenoids have the same length and the same number of turns of wire, but the outer solenoid has twice the diameter of the inner solenoid. Each solenoid carries the same current, but the two currents are in opposite directions, as shown in the figure to the right. What is the magnetic field at the center of the inner solenoid?

FREE Expert Solution

Magnetic field due to solenoid:

B=μ0iNL

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Problem Details

One long solenoid is placed inside another solenoid. Both solenoids have the same length and the same number of turns of wire, but the outer solenoid has twice the diameter of the inner solenoid. Each solenoid carries the same current, but the two currents are in opposite directions, as shown in the figure to the right. What is the magnetic field at the center of the inner solenoid?

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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.

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Based on our data, we think this problem is relevant for Professor Krishna & Weatherford's class at UF.