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Answer Posted / nagarjuna
THERE IS A DEVICE WHICH SENDS RAYS FROM ONE TERMINAL TO
OTHER TERMINAL(LIKE CAPACITOR)
LIKE
-------/ /-------
BETWEEN THESE A RAY WIL TRAVEL ,IF FIRE
WILL OCCUR MEAN ,SMOKE WILL FORM ,THAT SMOKE WILL BARRIER
THE LIGHT ,SO LIGHT WILL NOT ENTER FROM ONE TERMINAL TO
OTHER .SO THAT THE SENSOR SENSES THAT AND BLOW ALARM.
| Is This Answer Correct ? | 12 Yes | 1 No |
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