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All Journal SCIENCE TECH: Jurnal Ilmiah Ilmu Pengetahuan dan Teknologi SOSIOHUMANIORA: Jurnal Ilmiah Ilmu Sosial dan Humaniora COMPTON: Jurnal Ilmiah Pendidikan Fisika
Puji Hariati Winingsih
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Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Computer Science & IT Education Engineering Materials Science & Nanotechnology Physics

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Journal : COMPTON: Jurnal Ilmiah Pendidikan Fisika

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Identification of Student Misconceptions Using Four Tier Diagnostic Instruments On Straight Motion Materials Sony Yunior Erlangga; Puji Hariati Winingsih; Handoyo Saputro
COMPTON: Jurnal Ilmiah Pendidikan Fisika Vol 8 No 2 (2021): COMPTON: Jurnal Ilmiah Pendidikan Fisika
Publisher : Universitas Sarjanawiyata Tamansiswa

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Abstract

This study aims to identify the quantity of students who misconceptions on the material of Straight Motion. The research subjects were 30 students of class X MIA 1 of Yogyakarta SahabatQu High School with purposive sampling technique. This type of research is a quantitative descriptive study with data collection techniques carried out by triangulation namely documentation of test results, interviews and questionnaires. The research instrument used was a three-tier test. the results of the most frequent misconception sequences were found in vertical motion (26%), speed and speed (18%), GLB (17%), distance and displacement (16%), and GLBB (15%). Based on the results of the interview showed the same thing.
Rancang Bangun Inverter Sederhana (IS) dengan Memanfaatkan IC 555 sebagai Pembangkit Tegangan Pada Mata Kuliah Elektronika I Handoyo Saputro; Sony Yunior Erlangga; Puji Hariati Winingsih
COMPTON: Jurnal Ilmiah Pendidikan Fisika Vol 8 No 2 (2021): COMPTON: Jurnal Ilmiah Pendidikan Fisika
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The development of the industrial world in the current porous era, which continues to develop in various fields, certainly makes human life easier and full of challenges. In line with the rapid industrial progress, the need for electricity as an energy source is increasing. One of the household electricity needs is the use of an inverter which functions to convert 12 Volt DC voltage into 220 Volt 50 Hz AC voltage. This inverter functions as a backup electricity provider for both vehicles and household needs, as emergency power when the household electricity goes out. In this study, a Simple Inverter (IS) device will be made using IC 555 as a voltage generator needed in Electronics I learning, in which students learn about concepts and their applications. The purpose of this research is the design of IS teaching aids used to increase the voltage in the physics learning of Electronics I by determining the input power and output power. This type of research is development using a 4-D development model. The results of the IS tool test with product feasibility tests from 2 media experts and material experts with an average score of 4.64 or 94.2% and responses from 4 students with an average score of 4.73 or 95.8% so that it is included in the very good category. The average measured input power (63.0 ± 0.5) Wh and the resulting output power IS Innovation (2191 ± 0.5) Wh which means IS works at a Power Gain of 34.8 on a 5 Ah 12 V motor ACCU, with The power capacity used per 60 W is around 15.5 minutes and for ACCU 60 Ah 12 Volt it is around 3.1 hours
Co-Authors Handoyo Saputro Handoyo Saputro Hidayati Hidayati Sony Yunior Erlangga Yuli Prihatni