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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A toroid is wound over a circular core. Radius of each turn is r and radius of toriod is R ( >> r ). The coefficient of self- inductance of the toroid is given by

A toroid is wound over a circular core. Radius of each turn is r and radius of toriod is R ( >> r ). The coefficient of self- inductance of the toroid is given by

A toroid is wound over a circular core. Radius of each turn is r and radius of toriod is R ( >> r ). The coefficient of self- inductance of the toroid is given by