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Showing posts from November, 2021

ELECTRICITY AND ELECTRONICS ACCORDING TO COMPUTER SCIENTIST

  FUNDAMENTALS OF ELECTRICITY AND ELECTRONICS IT WAS DISCOVERED CENTURIES AGO THAT CERTAIN TYPES OF MATERIALS WOULD MYSTERIOUSLY ATTRACT ONE ANOTHER AFTER BEING RUBBED TOGETHER.   FOR EXAMPLE : AFTER RUBBING A PIECE OF SILK AGAINST PIECE OF GLASS, THE SILK AND GLASS WOULD TEND TO STICK TOGETHER. INDEED, THERE WAS AN ATTRACTIVE FORCE THAT COULD BE DEMONSTRATED EVEN WHEN THE TWO MATERIALS ARE SEPARATED .    GLASS AND SILK AREN'T THE ONLY MATERIALS KNOWN TO BEHAVE LIKE THIS.   ANYONE WHO HAS EVER BRUSHED UP AGAINST A LATEX BALLOON ONLY TO FIND THAT IT TRIES TO STICK TO THEM HAS EXPERIENCED THE SAME PHENOMENON.   PARAFFIN WAX AND WOOL CLOTH ARE ANOTHER PAIR OF MATERIALS EARLY EXPERIMETERS RECOGNIZED AS MANIFESTING ATTRACTIVE FORES AFTER BEING RUBBED TOGETHER.   THIS PHENOMENON BECAME EVEN MORE INTERESTING WHEN IT WAS DISCOVERED THAT IDENTICAL MATERIALS, AFTER HAVING BEEN RUBBED WITH SILK WAS EXPOSED TO A PIECE OF WAX RUBBED WITH WOOL,   THE TWO MATERIALS WOULD ATTRACT ONE ANOTH