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A circular loop of radius 0.0157 m carries a current 2 A. The magnetic field at the centre of the loop is ______

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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 

MCQ
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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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Chapter 10: Magnetic Effect of Electric Current - MCQ’S

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