Archive:: American Journal of Physics and Applications:: Science Publishing Group

Volume 5, Issue 1, January 2017

The Effect of Temperature on Conductivity of Conductors and Superconductors

Amel Abdallah Ahmed Elfaki, Abdelnabi Ali Elamin, Mubarak Dirar Abd-Alla, Rawia Abd Elgani, Ali Suliman Mohammed, Alaa Ahmed Mohammed, Sawsan Ahmed Elhouri

Issue: Volume 5, Issue 1, January 2017

Pages: 1-5

Received: 26 November 2016

Accepted: 6 January 2017

Published: 13 February 2017

DOI: 10.11648/j.ajpa.20170501.11

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Abstract: The thermal conductivity coefficient has been studied for three types of wires. Pure copper wire, 15cm long copper coated and 50cm long copper coated. In order to compare thermal conductivity for these wires and to recognize the meaning of superconductivity and the effect of temperature on conductivity of conductors and superconductors. The thermal... Show More

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Determination of Natural Radioactivity in the North East Beach Sands of Madagascar

Randriamora Tiana Harimalala, Razafindramiandra Hary Andrianarimanana, Raoelina Andriambololona, Ravelomanantsoa Solofonirina Dieudonné, Ralaivelo Mbolatiana Anjarasoa Luc, Rasolonirina Martin, Zafimanjato Joseph Lucien Radaorolala, Randriantseheno Hery Fanja

Issue: Volume 5, Issue 1, January 2017

Pages: 6-12

Received: 30 December 2016

Accepted: 17 January 2017

Published: 13 February 2017

DOI: 10.11648/j.ajpa.20170501.12

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Abstract: Exploration and exploitation of radioactive ores (ilmenite, zircon and monazite) are considered as the main source of exposure to ionizing radiation of the population living in the coast of Analanjorofo Region (Fénérive-Est Districts, Rural municipality Ampasimbe Manantsatrana). Radioactivity measurements have been performed in this region. The dis... Show More

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