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Keka1819 Keka1819
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3 years ago
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?



▸ The brightness of B1 does not change.

▸ The brightness of B1 decreases temporarily but gradually increases back to its original brightness.

▸ The brightness of B1 increases temporarily but gradually decreases back to its original brightness.

▸ The brightness of B1 decreases permanently.

▸ The brightness of B1 increases permanently.
Textbook 
Essential University Physics

Essential University Physics


Edition: 3rd
Author:
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Gamiung3657Gamiung3657
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3 years ago
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Keka1819 Author
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3 years ago
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You make an excellent tutor!
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