Toroidal Solenoids aka Toroids Video Lessons

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Problem: An ideal toroidal solenoid containing 825 equally spaced coils is shown below. How large must the current I be so that the magnetic field within the coils at a distance of 17 cm from the center is 0.0250 T?

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An ideal toroidal solenoid containing 825 equally spaced coils is shown below. How large must the current I be so that the magnetic field within the coils at a distance of 17 cm from the center is 0.0250 T?

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