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MMLU / A circuit consists of a battery and a light bulb. At first, the circuit is…

Problem

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question

A circuit consists of a battery and a light bulb. At first, the circuit is disconnected. Then, the circuit is connected, and the light bulb lights. After the light bulb has been lit for a few moments, how has the net charge residing on the circuit elements changed?

choices

  1. The net charge has become more positive.
  2. The net charge has become more negative.
  3. The net charge has not changed.
  4. Whether the net charge becomes more positive or more negative depends on the initial net charge residing on the circuit elements before the bulb was lit.

subject

high_school_physics

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Source and history

Official source

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