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All Journal Kurios Journal of Education Technology JOURNAL SCIENTIFIC OF MANDALIKA (JSM) ELEOS: Jurnal Teologi dan Pendidikan Agama Kristen Metanoia : Jurnal Pendidikan Agama Kristen Polinomial : Jurnal Pendidikan Matematika Journal of International Multidisciplinary Research Jurnal Publikasi Ekonomi dan Akuntansi
Kristiani
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Religion Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Social Sciences Other

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Journal : journal scientific of mandalika jsm

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Analysis of household electricity expenditures among residents of suco leuro, lospalos administrative post, lautem municipality Alves Cabral, Paulo; Correia, Pedro; Kristiani
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 7 No. 5 (2026)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol7iss5pp691-697

Abstract

In general, the population of Suco Leuro relies on electrical energy for daily activities, which is predominantly non-renewable and supplied by the state through the public utility company EDTL (Eletricidade de Timor-Leste). This electricity is purchased via prepaid systems at designated sales stations; however, consumers often overlook strategies for energy conservation. Therefore, this study aims to examine the patterns of electricity expenditure among households in Suco Leuro over a one-week period. This research was conducted to describe both the positive and negative effects observed in the field. The study employed a sample-based research design, involving 60 household heads as respondents in Suco Leuro, Lospalos Administrative Post, Lautem Municipality, during the 2023 academic year. The findings indicate that 100% of the population in Suco Leuro has had access to electricity since 2013 and has installed prepaid electricity meters. The analysis of the results shows that 28.3% of households consume between 2.1 and 9.45 kWh per week, 45% consume between 10.14 and 18.4 kWh per week, and 26.7% consume between 22.45 and 43.86 kWh per week. These findings suggest that higher electricity consumption is primarily influenced by the duration of appliance usage and the power capacity of electrical devices used by households.
Simulation-based learning using phet on the concept of series and parallel electrical circuits in secondary schools in timor-leste Kristiani; Correia, Pedro; Alves Cabral, Paulo; Tina Guterres, Isabel
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 7 No. 5 (2026)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol7iss5pp682-690

Abstract

The teaching methods employed by instructors can vary depending on learning objectives, student profiles, and available resources. Commonly used teaching methods include traditional or conventional approaches, demonstration methods, experimental methods, and others. This study implemented a PhET simulation-based teaching project on the concept of series and parallel electrical circuits: a study involving 12th-grade students majoring in Electrical Engineering at São João Bosco Secondary School in Venilale, Timor-Leste. The study aimed to investigate students’ learning outcomes following the PhET simulation-based instruction on series and parallel circuit concepts. To achieve this objective, a survey test instrument was employed. The test was administered to 34 students. The results indicated that the calculated t-value was greater than the critical t-value (t_calculated > t_table) or (23.63 > 2.035), demonstrating a significant difference before and after the use of PhET simulations in teaching the concepts of series and parallel electrical circuits. This had a positive impact on the development of students’ knowledge.
Co-Authors Alves Cabral, Paulo Andi Muchlis Sirajuddin Andi Sumarlin K Andriani, Hania Correia, Pedro Elisa Nimbo Sumual Martinus Mufidah, Tuhfatul Sari, Ayu Silvi Lisvian Setyowati, Fitri Andriani Sudarno Tina Guterres, Isabel Tri Murwaningsih, Tri Yohana Fajar Rahayu