Question

Why do quartz is written on every clocks?​

Answer 1

Answer:

Billions of people use quartz every day, but few realize it because the tiny crystals they use are hidden in their watches and clocks. ... Quartz crystals maintain a precise frequency standard, which helps to regulate the movement of a watch or clock, thus making the timepieces very accurate

Answer 2

A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks are at least an order of magnitude more accurate than mechanical clocks. Generally, some form of digital logic counts the cycles of this signal and provides a numeric time display, usually in units of hours, minutes, and seconds.

hope so it helps

source: Wikipedia

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