42 A circular coil of radius 5 cm having a total of 10 turns

Last updated: 6/9/2023

42 A circular coil of radius 5 cm having a total of 10 turns is placed so that its plane coincides with the magnetic meridian plane i e the vertical plane in the north south direction It is rotated about its vertical diameter by 45 and a current of 2A is passed through it A magnetic needle placed at the centre of this coil points west to east The horizontal component of the earth s magnetic field is a 20 10 5T c 4x10 7T b 4x10 5T 4 d x10 5T TC