(a)[3]
Describe and explain any motion of wire AB when a large direct current (d.c.) passes through it from A to B.
(b)[2]
Describe and explain any motion of wire AB when a large alternating current (a.c.) passes through it.
Physics 0625 · IGCSE · Electromagnetic effects
Electromagnetic effects — practice question
Fig. 10.1 shows wire AB hanging from two supports, positioned between the poles of a strong magnet. Wire AB is held loosely so that it can move freely.