AP Physics 1 Question 368: Answer and Explanation

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Question: 368

6. Question refers to the following figure:

If R1 were to burn out, the current coming out from the battery would

  • A. increase
  • B. decrease
  • C. stay the same
  • D. There is no current, because the circuit is now incomplete.

Correct Answer: B

Explanation:

B

If R1 were to burn out, the total resistance in the circuit would increase. Because I = V/R, this increase in resistance would decrease the current.