A Light Bulb Is Connected in the Circuit Shown in the Figure

question 29

Multiple Choice

A light bulb is connected in the circuit shown in the figure with the switch S open and the capacitor uncharged. The battery has no appreciable internal resistance. Which one of the following graphs best describes the brightness B of the bulb as a function of time t after closing the switch?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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Definitions:

Model Airplane

A scaled-down replica of an aircraft, used for display, hobby building, or flying competitions.

Do-it-yourself

A term referring to the practice of building, repairing, or making things oneself, rather than hiring a professional or buying ready-made products.

Static Reasoning

A way of thinking in which individuals assume that the world is unchanging and what is true now will always be true.

Preoperational Thought

A stage in Piaget's theory of cognitive development where children from about 2 to 7 years of age are able to use symbols and language but do not yet understand concrete logic.