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Volume : II, Issue : V, June - 2012 Measurement of change in Capacitance with Temperature, using unprocessed Indian Bee wax and its use as a Temperature sensor with IC 555 timer circuit. J. K. Pendharkar and M. N. Nyayate DOI : 10.9780/22307850, Published By : Laxmi Book Publication Abstract : Beeswax is naturally found material used by bees to built bee nest. It is made up of mixture of esters
of fatty acids and fatty alcohols, paraffinic hydrocarbons and free fatty acids. It also shows change in
resistivity due to change in temperature and having melting point of 62-63 degree Celsius. In this research
paper beeswax is used as medium between two parallel plates forming the system of capacitor. This
capacitor is used in IC 555 timer Astable- Multivibrator circuit. The output is Square wave having period
proportional to Capacitance if resistance of resistors is kept constant.
It was observed that period of output square wave was directly proportional to temperature and the
response is almost linear up to 55 degree Celsius but there after increases rapidly as temperature
approaches to 62 degree Celsius. It was worth noting that if experiment is repeated the values are found to
be same, which indicates that there is repeatability observed. Keywords : Article : Cite This Article : J. K. Pendharkar and M. N. Nyayate, (2012). Measurement of change in Capacitance with Temperature, using unprocessed Indian Bee wax and its use as a Temperature sensor with IC 555 timer circuit.. Indian Streams Research Journal, Vol. II, Issue. V, DOI : 10.9780/22307850, http://oldisrj.lbp.world/UploadedData/1029.pdf References : - Introduction to electrodynamics: by David J Griffiths,Publisher: phi learningISBN: 8120316010.
- Fundamentals of electricity and magnetism: by D Halliday, R Resnik,Publisher: wiley India pvt ltd ISBN: 8126532254.
- Electronic devices and circuits: by J B Gupta,Publisher: S K Kataria and sons.ISBN: 8185749752.
- Modern electronics, Instrumentation and measurement techniques: by C D William, H D Albert, Publisher: phi learning,ISBN: 8120307526.
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