Resistors in Combination: the Figure Shows Three Identical Lightbulbs Connected

question 34

Multiple Choice

Resistors in combination: The figure shows three identical lightbulbs connected to a battery having a constant voltage across its terminals. What happens to the brightness of lightbulb 1 when the switch S is closed?

• A) The brightness will increase momentarily then return to its previous level.
• B) The brightness increases permanently.
• C) The brightness will decrease momentarily then return to its previous level.
• D) The brightness remains the same as before the switch is closed.
• E) The brightness decreases permanently.

---

Definitions:

Dark Circular Maria

the large, dark plains formed by ancient volcanic eruptions on the Moon's surface.

Dark Mare

Large, dark basaltic plains on Earth's Moon, formed by ancient volcanic eruptions.

Basalt Flows

The movement and solidification of basaltic lava across the Earth's surface, forming solid igneous rock formations.

Sand Dunes

Sand dunes are accumulations of wind-blown sand, often found in desert environments or near beaches, that form various shapes and sizes depending on wind patterns.