Physics 9702 · AS & A Level · Resistance and resistivity

Resistance and resistivity — practice question

Which graph might illustrate how the resistance $R$ of a filament lamp changes with the applied potential difference (p.d.) $V$, as $V$ is raised to the normal operating p.d.?

    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