Multiple choice general knowledge

A photoeletric cell converts

  1. eletrical energy into heat energy

  2. light energy into sound energy

  3. electrical energy into light energy

  4. light energy into electrical energy
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A photoelectric cell converts light energy into electrical energy through the photoelectric effect - when photons strike a material, they eject electrons creating current. It doesn't convert to heat, sound, or reverse the process.

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