International Journal of Applied Mathematics and Theoretical Physics

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Volume 6, Issue 4, December 2020

  • Gravitational and Electromagnetic Field of an Isolated Positively Charged Particle

    Bikash Kumar Borah

    Issue: Volume 6, Issue 4, December 2020
    Pages: 54-60
    Received: 24 October 2020
    Accepted: 20 November 2020
    Published: 27 November 2020
    DOI: 10.11648/j.ijamtp.20200604.11
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    Abstract: A particle which is positively charged with spherically symmetry and non-rotating in empty space is taken to find out a metric or line element. The particle is under the influence of both gravitational and electro-magnetic field and the time component of this metric is depend on the combine effect of these two fields. Therefore in this work especia... Show More
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  • The Effect of Environmental Factors (Temperatures & Humidity) on the Solar Cell Performance / Matlab Model

    Zina Abd Alameer Al Shadidi

    Issue: Volume 6, Issue 4, December 2020
    Pages: 61-67
    Received: 7 November 2020
    Accepted: 27 November 2020
    Published: 4 December 2020
    DOI: 10.11648/j.ijamtp.20200604.12
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    Abstract: This paper provides an accurate modeling method for the photovoltaic panel using Matlab software. The mathematical model discusses the effect of the environmental factors on PV panels. The model based on specifications given on the manufacturer’s plate, a previous Simulink model was developed using Matlab code, to include the effect of humidity on ... Show More
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