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papercollection40 Diagram 28 shows a current-carrying wire between the poles of a pair of permanentmagnets.What is the direction of the magnetic force on the wire?29Rajah 28 menunjukkan seutas dawai yang membawa arus di antara kutub-kutubsepasang magnet kekal.Apakah arah daya magnet pada dawai itu?AWire / DawaiNDBSCCurrent / ArusDiagram 28 / Rajah 2841 Diagram 29 shows a bar magnet being pushed towards a solenoid.Rajah 29 menunjukkan sebatang magnet bar ditolak ke arah sebuah solenoid.Bar magnet / Magnet barNSP : Induced e.m.f. / D.g.e. teraruhQ : Induced current / Arus teraruhR : Magnetic field / Medan magnetWhat is produced by the solenoid?Apakah yang dihasilkan oleh solenoid?Diagram 29 / Rajah 29ABCDP only / P sahajaQ only / Q sahajaP and Q / P dan QP, Q and R / P, Q dan R