Multiple choice general knowledge

The doorbell was invented in

  1. 1967

  2. 1831

  3. 1899

  4. 1950
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The electric doorbell was invented in 1831 by Joseph Henry, an American scientist. He developed the electromagnetic doorbell mechanism that became the basis for modern doorbells. Before this, mechanical door knockers and bells were used instead.

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