Physics 9702 · AS & A Level · Concept of a magnetic field
Concept of a magnetic field — practice question
Nuclear magnetic resonance imaging (NMRI) is used to collect diagnostic information about structures inside the body. State, when NMRI is being used, the function of:
(a)[3]
the large, steady magnetic field.
(b)[2]
the magnetic field that is non-uniform.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The nuclei undergo precession” …