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All Journal Indonesian Journal of Science and Mathematics Education Indonesian Journal of Innovation and Applied Sciences (IJIAS)
Khushnazarov, Otabek
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Mathematics Social Sciences

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Classroom Experiment to Determine the Resistivity of an Unknown Metal Boynazarov, Asliddin; Abdiraxmonov, Shohzamon; Shomaxmatov, Jo’shqin; Khushnazarov, Otabek; Addimuminov, Akmal
Indonesian Journal of Innovation and Applied Sciences (IJIAS) Vol. 5 No. 2 (2025): June-September
Publisher : CV. Literasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47540/ijias.v5i2.1840

Abstract

Electrical resistivity is a fundamental property of materials, reflecting their ability to conduct electricity and playing a critical role in electrical engineering and material science. This experiment investigates the effect of conductor length on resistivity using a single metallic wire with lengths ranging from 10 cm to 60 cm. Resistance was measured for each wire length using a calibrated voltmeter and ammeter, and resistivity was calculated using the relation Equation 1. Experimental conditions were meticulously controlled, with consistent wire material, steady environmental temperature, and precise wire diameter and length measurements to ensure accuracy. The results demonstrate a direct relationship between wire length and resistance, validating the theoretical prediction. The calculated resistivity of the metallic wire was 2.04 x 10-8 Ω⋅m, closely aligning with the theoretical value for silver (1.59 x 10-8 Ω⋅m) and supported by the wire's shiny gray appearance. This experiment highlights the practical application of resistivity in selecting materials for electrical systems and offers a valuable hands-on approach to teaching resistivity concepts in the classroom. The findings can be integrated into physics education to enhance students' understanding of material properties, data analysis, and electrical circuit principles.
Finding the Acceleration Due to Gravity Using the Hydrostatic Pressure Simulation of PhET Ibotov, Temur; Murtazayev , Mirkamol; Allaqulov, Abdulfayz; Sagdiyeva, Sevinch; Khushnazarov, Otabek; Mamatkulova, Khadicha; Addimuminov, Akmal
Indonesian Journal of Innovation and Applied Sciences (IJIAS) Vol. 5 No. 1 (2025): February-May
Publisher : CV. Literasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47540/ijias.v5i1.1742

Abstract

This study explored the concept of hydrostatic pressure and its relationship with various heights of water using the PhET simulation platform. This research aims to determine the value acceleration due to gravity using the hydrostatic pressure simulation of PhET. The experiment's independent variable is the water column at various heights and the dependent variable is the pressure. The method used in this study is pure experimental wherein controlled variables like atmospheric pressure were kept constant. By systematically varying the water height above the ground, the experiment examined how pressure changes respond to these variations. A straight line of best fit was formed when pressure and height were plotted, which is consistent with the theory. This result indicated that as the height of the water column increases, the pressure increases proportionally, demonstrating the direct influence of gravity and water density on hydrostatic pressure. Also, the acceleration due to gravity was measured to be 9.82 ms-2. Therefore, the following were afforded by PhET simulation in this experiment: reliable data, convenient usage, eliminating the need for sophisticated equipment, and an intuitive interface for exploring physical phenomena. This study recommends PhET for teaching and learning processes. It engages the students and provides experiential learning to teachers and students.
Quantitative investigation of acceleration due to gravity using PhET interactive simulations in physics education Fayzullayev, Amirzoda; To’rayev, Quvonchbek; Khushnazarov, Otabek; Mamatkulova, Khadicha; Abdimuminov, Akmal
Indonesian Journal of Science and Mathematics Education Vol. 9 No. 1 (2026): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v9i1.26786

Abstract

Understanding acceleration due to gravity (g) is a cornerstone of classical mechanics, but it can be difficult for some students. Traditional experiments often require expensive equipment and are prone to measurement errors. This paper investigated acceleration due to gravity by analyzing the relationship between a projectile's launch angle (θ) and its horizontal range (R). Using PhET simulations, a projectile is launched at various angles while maintaining a constant initial velocity of 15 m/s. Experiments show that the horizontal range depends on the sine of twice the launch angle (sin(2θ)), as predicted by the theoretical equation. This study was quasi-experimental, using a post-test-only design. Twenty high school students participated and were divided into five groups. The experimental results agreed with the linear relationship between R and sin(2θ), allowing g to be approximately 9.81, which is consistent with the accepted value. The average percentage error was only 1.04%, confirming the reliability and accuracy of the PhET simulations. This paper recommends extending the experiments to incorporate real-world settings that account for air resistance and other environmental factors. These findings highlight the effectiveness of simulations in understanding projectile motion and verifying fundamental constants with high precision and minimal equipment.
Co-Authors Abdimuminov, Akmal Abdiraxmonov, Shohzamon Addimuminov, Akmal Allaqulov, Abdulfayz Boynazarov, Asliddin Fayzullayev, Amirzoda Ibotov, Temur Mamatkulova, Khadicha Murtazayev , Mirkamol Sagdiyeva, Sevinch Shomaxmatov, Jo’shqin To’rayev, Quvonchbek