AP Physics 1 Question 89: Answer and Explanation

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Question: 89


Determine the total power dissipated through the circuit shown above in terms of v, R1, R2, and R3.

  • A.
  • B.
  • C.
  • D.

Correct Answer: D


D First, we will need to replace all the resistors with an equivalent resistor.

R2 and R3 are in series, so R2 and 3 = R2 + R3.

R1 and R2 and 3 are in parallel, so .

Second, we need to calculate the current coming out of the battery,

Finally, we calculate the power,