Internal Battery Resistance: Two Light Bulbs, B₁ and B₂, Are

question 2

Multiple Choice

Internal battery resistance: Two light bulbs, B₁ and B₂, are connected to a battery having appreciable internal resistance as shown in the figure. What happens to the brightness of bulb B₁ when we close the switch S?

• A) The brightness of B₁ increases permanently.
• B) The brightness of B₁ decreases permanently.
• C) The brightness of B₁ does not change.
• D) The brightness of B₁ increases temporarily but gradually decreases back to its original brightness.
• E) The brightness of B₁ decreases temporarily but gradually increases back to its original brightness.

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Definitions:

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An economic system where the government or a central authority makes all decisions regarding the production and distribution of goods and services.

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