Practice Quiz

AP Physics B Practice Exam

Category - Introductory Physics

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Based on Ohm’s law, which of the following statements explains what must happen when the voltage across a resistor is decreased?
  1. The resistance of the resistor increases.
  2. The resistance of the resistor decreases.
  3. The current through the resistor increases.
  4. The current through the resistor decreases.
Explanation
Answer: D - The current through the resistor decreases.
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