A filament lamp has a small potential difference $V$ applied across it. The current $I$ through the lamp is then measured. $V$ is raised in steps and $I$ is recorded at each step. Which graph shows the results obtained?
Physics 0625 · IGCSE · Electric circuits
A filament lamp has a small potential difference $V$ applied across it. The current $I$ through the lamp is then measured. $V$ is raised in steps and $I$ is recorded at each step. Which graph shows the results obtained?