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Railways PYQCBT 2 2017

RRB NTPC · Question 78

The principle of gyroscope is NOT used in a ______.

  1. Computer mouse

  2. Smart Phone

  3. Inkjet printers

  4. Racing car

Show answer & explanation

Answer: (C) Inkjet printers

Explanation

Gyroscopic sensors are used in smartphones (orientation), some air mice and in vehicles for stability control. An inkjet printer works without a gyroscope.