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Question
A circular loop of radius 0.0157 m carries a current 2 A. The magnetic field at the centre of the loop is ______
Options
1.57 × 10-3 Wb/m²
8.0 × 10-5 Wb/m²
2.0 × 10-3 Wb/m2
3.14 × 10-1 Wb/m²
Solution
A circular loop of radius 0.0157 m carries a current 2 A. The magnetic field at the centre of the loop is 8.0 × 10-5 Wb/m².
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