Circuit Builder Gizmo Answer Key Activity C Jun 2026

Before starting the simulation, students are typically asked:

: To prevent fires or damage from short circuits, a fuse is introduced. In the simulation, the fuse will "melt" (break the circuit) when the current becomes dangerously high. Activity C Answer Key Summary Question/Action Observation/Answer Are the two bulbs equally bright? Yes, they receive equal voltage. What happens when you add bulbs? The brightness of the original bulbs stays the same. What happens when you remove a bulb? The other bulbs remain lit and unchanged. Effect of a short circuit? Current becomes dangerously high; other bulbs go out. Role of the fuse? It breaks the circuit if current exceeds safe limits. Why This Matters circuit builder gizmo answer key activity c