Magnetic Effects of Current and Magnetism (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics): Questions 10 - 10 of 10
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Question number: 10
» Magnetic Effects of Current and Magnetism » Biot - Savart Law
The magnetic field produced at the centre of a coil of radius R carrying a current is . The magnitude of magnetic field at a point lying on the axis of the coil at a distance from the centre of the coil is –