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    College Physics Study Set 1
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    Exam 18: Direct-Current Circuits Sources of EMF
  5. Question
    When a 19-Ω Resistor Is Connected Across a 5-V Battery,a
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When a 19-Ω Resistor Is Connected Across a 5-V Battery,a

Question 58

Question 58

Multiple Choice

When a 19-Ω resistor is connected across a 5-V battery,a current of 489 mA flows.What is the power output delivered by the emf of the battery?


A) 95 W
B) 79.5 W
C) 4.5 W
D) 1.2 W
E) ​46.5 W

Correct Answer:

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