Physics · Magnetism and Electricity
Using the Biot-Savart law, what is the magnetic field (B) at the center of a circular loop of radius R carrying a steady current I in vacuum?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1B = μ0 I2πR
- 2B = μ0 I2R✓
- 3B = μ0 IR
- 4B = μ0 I R
Correct answer
B = μ0 I2R
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