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ARC-Easy / Mercury_SC_LBS10680 / What allows a light bulb to give off light?

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

What allows a light bulb to give off light?

choices

  • the current flowing through the wire to the light bulb
  • the light bulb giving electrical energy to the battery
  • the light bulb generating heat energy
  • the battery pushing light through the wire

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Source and history

Official source

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