Physics 0625 · IGCSE · Simple phenomena of magnetism

Simple phenomena of magnetism — practice question

A student records how many iron pins an electromagnet lifts when the power supply is switched on. She then records how many pins are lifted when the power supply is switched off. She repeats the experiment with cores made from different materials. The results are shown. Which core is made of soft iron?

    Worked solution & mark scheme

    This 1-mark question has a full step-by-step worked solution and mark scheme.

    • Full mark scheme, point by point
    • Step-by-step worked solution
    • Write your answer & get it marked instantly by AI