Multiple choice general knowledge science & technology

Solar panels were used in homes over 100 years ago for what purpose?

  1. Fireplaces

  2. Hot water heating

  3. For cooking

  4. For lighting
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Over a century ago, solar panels were used for hot water heating systems in homes. Early solar thermal applications focused on heating water rather than generating electricity. This was one of the first practical uses of solar energy before photovoltaic technology became widespread.

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