Question
(a) Sketch an I-V graph for an ohmic conductor and a filament bulb on the same axes. Label each curve. (4 marks) (b) Explain why the filament bulb's I-V graph is not a straight line. (3 marks)
7 marks · take your time before peeking.
Sign up to try the next 30 problems
Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.
Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.