The Figure Shows Three Identical Lightbulbs Connected to a Battery

question 47

Multiple Choice

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:

Aspects

Different parts, features, or elements of something.

Usability

The ease with which users can operate a product, system, or website to achieve their goals effectively, efficiently, and satisfactorily.

Informed Consent

A process in which individuals are given comprehensive information regarding a procedure or experiment, ensuring they understand and agree to participate willingly.

Heuristic Evaluation

A usability inspection method where experts use heuristics or general rules of thumb to find usability problems in a design.