Biot-Savart and Ampere's Law
Medium
Magnetic Field at Center of Loop
A loop ABCDA, carrying current I = 12 A, is placed in a plane, consists of two semi-circular segments of radius R1 = 6π m and R2 = 4 π m. The magnitude of the resultant magnetic field at center O is k × 10–7 T. The value of k is _______ .
(Given μ0 = 4π × 10–7 Tm A–1)
(Given μ0 = 4π × 10–7 Tm A–1)
