Mathematics · Magnetic Effects of Current Calculations
An electron makes a full rotation in a circle of radius 0.8 m in one second. The magnetic field at the centre of the circle is: (μ0 = 4π × 10-7 SI units, e = 1.6 × 10-19 C)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11.6π × 10-26 T
- 24π × 10-19 T
- 32π × 10-26 T
- 44π × 10-26 T✓
Correct answer
4π × 10-26 T
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