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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah)
Krisnawanto, Eryna Dwicahyaning
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Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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Implementation of Cramer's rule assisted by the Sarrus method in solving the problem of 2-loop unidirectional electrical circuits Krisnawanto, Eryna Dwicahyaning; Supriadi, Bambang; Dewi, Nila Mutia; Abdillah, Ujang Fahmi
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 8 No. 2 (2024): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v8i2.2921

Abstract

Cramer's rule is used by combining matrix determinant methods applied in the presentation of solving Systems of Linear Equations (SLE). The purpose of this study was to determine the differences in student learning outcomes when using the Cramer Rule assisted by the Sarrus Method using the elimination substitution method on two-loop electrical circuit material. The research method used is the Posttest-Only Control Design experimental method.  The results of this study are evidenced by the results of the hypothesis test which states that there is a significant difference between the learning outcomes of the control class and the learning outcomes of the experimental class. As well as the results of a very positive response from students to the implementation of Cramer's rule assisted by the Sarrus method. Thus, the conclusion of this study is that the implementation of Cramer's rule assisted by Sarrus method is proven to be effective as an alternative solution to solving two-loop electrical circuit problems.
Legendre Polynomials are Associated in the Schrodinger Polar Equation of Helium Ions Supriadi, Bambang; Krisnawanto, Eryna Dwicahyaning; Wahyudianti, Ratih; Fathorrosi, Mohammad; Hamdi, Muhammad Najih; Rahayu, Eka Citra; Alivia, Haniyah
Jurnal Penelitian Pendidikan IPA Vol 10 No 5 (2024): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i5.5913

Abstract

The helium ion is one of the ions classified as a hydrogenic atom because it has only one electron in its outer orbital so that the helium ion problem can be solved using the Schrodinger equation approach. The Schrodinger equation of the polar part of the helium ion can be solved by the associated legendary polynomial function, . The polar function expresses the angle formed by the vector of the electron's position relative to the z-axis of the helium ion's nuclear position. And it is produced that the polar function of the hydrogenic atom has the same polar function both in position space and in momentum space .
Co-Authors Abdillah, Ujang Fahmi Alivia, Haniyah Bambang Supriadi Fathorrosi, Mohammad Hamdi, Muhammad Najih Nila Mutia Dewi rahayu, eka citra Wahyudianti, Ratih