On some early automobiles both headlights went out when one bulb burned out.The headlights must have been connected in
A)parallel.
B)perpendicular.
C)series.
D)haste.

Question

Quizplus · Accepted Answer

When components are connected in a series circuit, the current flows through each component in turn, meaning that if one component fails or is disconnected, the circuit is broken, and no current can pass through any of the components down the line. This explains why both headlights went out when one bulb burned out on early automobiles, indicating that the headlights were connected in a series circuit.

On Some Early Automobiles Both Headlights Went Out When One