Physics · Electromagnetism
A circular loop of radius a (in the x-y plane) and a square loop of side b (in the x-z plane) are kept at a distance r along the y-axis. Both carry current I. If r >> a, b, the torque exerted on the square loop by the circular loop is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1-μ04π × 1r3 πa2b2I2 x̂✓
- 2μ04π × 1r3 πa2b2I2 ẑ
- 30
- 4-μ04π × 1r3 πa2b2I2 ẑ
Correct answer
-μ04π × 1r3 πa2b2I2 x̂
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