Physics · Magnetic Effects of Current
A very long wire carrying current I has a shape as shown in the figure, where the segments AB and BC are straight, long, and meet at a right angle. At D, the wire forms a circular turn of radius R. The straight segments AB and BC are tangential to the circular loop at N and D respectively. The magnetic field at the center of the circle is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1μ0I2πR (π + 1√2)✓
- 2μ0I2πR (π - 1√2)
- 3μ0I2πR (π + 1)
- 4μ0I2R
Correct answer
μ0I2πR (π + 1√2)
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