Physics 5054 · O Level · Simple magnetism and magnetic fields
Simple magnetism and magnetic fields — practice question
A student uses a plotting compass to trace the shape of the magnetic field around a straight conductor carrying a current.
(a)[3]
Describe how the student uses the plotting compass to plot the pattern of the magnetic field when the switch in the circuit is closed. You may add to Fig. 4.1 to help you explain your answer, if you wish.
(b)[1]
State what else the student can deduce about the magnetic field in this investigation.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “place a plot / dot / mark / cross at the ends of the compass needle” …