4.5.3-4.5.5 · Magnetic effect of a current, forces and the d.c. motorLesson 1 of 11Free preview
Magnetic field of a straight wire
A current makes circles of field round a wire. Grip the wire with your right hand to find their direction.
4.5.3-4.5.5 · Magnetic effect of a current, forces and the d.c. motorLesson 1 of 11Free preview
A current makes circles of field round a wire. Grip the wire with your right hand to find their direction.