AP Physics 1 Question 416: Answer and Explanation

Test Information

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Question: 416

4. If the voltage drop across a 3 Ω resistor is 2 V, how long will it take for the resistor to dissipate 100 J of energy?

  • A. 75 s
  • B. 100 s
  • C. 125 s
  • D. 150 s

Correct Answer: A

Explanation:

A

The equation gives

The amount of time it takes for the resistor to dissipate 100 J of energy is equal to .