Two lamps, one with a thick filament and one with a thin filament of the same material, are connected in series to a battery. The voltage is greater across the lamp with the
A) thin filament.
B) thick filament.
C) Voltage is the same for both.

Question

Quizplus · Accepted Answer

In a series circuit, the component with higher resistance will have a greater voltage drop across it. A thin filament has higher resistance than a thick filament of the same material, hence the voltage is greater across the lamp with the thin filament.

Two Lamps, One with a Thick Filament and One with a Thin