Magnetic Field For A Straight Conductor And Ampere’s Law Introduction to magnetic fields Definition of magnetic field Force on a moving charge in a magnetic field Magnetic field due to a straight current-carrying conductor Right-hand rule for determining the direction of magnetic field Ampere’s Law and its significance Calculation of magnetic field using Ampere’s Law Magnetic field inside and outside a straight conductor Examples illustrating the application of Ampere’s Law Magnetic field around a straight conductor with current