Step by step text solution for A current carrying wire produces a magnetic field in its surrounding space A. The S.I. unit of magnetic flux density is a. henry b. tesla c. Am^(2) d. A-m B. With the help of a diagram, derive an expression for the magnetic field at the point on the axis of a circular current loop. C. Consider a tightly wound 100 turn coil of radius 10 cm, carrying a current of 1 A. What is the magnitude of the magnetic field at the centre of the coil? by PHYSICS experts to help you in doubts & scoring excellent marks in Class 12 exams.