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All Journal MEDIA ELEKTRIKA International Journal for Educational and Vocational Studies
Muhammad Nur Arif
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Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Mathematics Social Sciences

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Analysis of the Moodle application instrument with the exam browser to measure online learning outcomes in digital communication simulation subjects in class X Multimedia at SMKN 1 Lamongan Arif, Muhammad Nur; Sumbawati, Meini Sondang; Buditjahjanto, I Gusti Putu Asto; Rijanto, Tri
International Journal for Educational and Vocational Studies Vol 3, No 5 (2021)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v3i5.5019

Abstract

This study was used to determine the feasibility of the instrument before being used for further research. This study uses a quasi-experimental research design. In this study, to calculate the validation results from three validators who are experts in their fields using the arithmetic average, the validated instruments are: (1) the validation questions get 87.51% results; (2) validation of attitude assessment got 90.27% results; (3) validation of student skills assessment got 92.71% results; (4) the validation of the assessment of the Learning Implementation Plan (RPP) got 92.16% results; (5) validation of the syllabus assessment got 86.95% results; (6) Moodle assessment validation with browser exam got 87.25% results; (7) the validation of the student learning module assessment got 84.71% results; (8) the validity of the items is declared valid; (9) the reliability of the items is declared reliable; (10) the differentiating power of the items has very good criteria; and (11) the level of difficulty of the items showed that of the 40 items tested, the percentage was 35% (14 questions) in the medium category, and 65% (26 questions) in the easy category. From the calculation results that have been mentioned, the Moodle application instrument with a browser exam to measure online learning outcomes is declared feasible and can be used for further research.
ANALISA KONTRUKSI JARINGAN TEGANGAN MENENGAH 20 KV TANPA KAWAT TANAH TERHADAP SAMBARAN INDUKSI PETIR Studi Kasus Di PT PLN ( Persero ) Area Semarang Rayon Boja Feeder BSB 4 GI BSB Muhammad Nur Arif; Bambang Supradono; Agung Budi Santoso
MEDIA ELEKTRIKA Vol 5, No 2 (2012): MEDIA ELEKTRIKA
Publisher : PSTE UNIMUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (163.563 KB) | DOI: 10.26714/me.5.2.2012.%p

Abstract

A bolt of lightning strikes the induction is on the ground near a transmission line resulting in a phenomenon that caused of trensient electromagnetic fields from the lightning channel. This phenomenon is happening at lightning conductor wire. This event raised over voltage and resulting wave propagating on both sides of the wire in the strike lasts. In calculating the induction stroke used Shielded Factor (FP) is defined as the quotient ofthe induced voltage and induced voltage ground wire without a ground wire. If there is no ground wire, the neutral wire effect on induced voltage on the wire the same phase as the influence of the ground wire to the voltage induced in the phase wire. Since the neutral high wire above the ground is lower than the high-wire phase, greater than shielded factor of the channel with the ground wire. There are times when the neutral wire was installed over the wire so that the phase factor will be smaller shielded. Construction is crucial lightning disturbances. From this analysis concluded that the results obtained from data disruption due to lightning feeder PMT 4 GI BSB obtained 3 times a distraction while the calculation results showed interference by 4 times with 24.4 km length of the network there is no significant difference. Any differences due to changes in network construction are not communicated as elevation neutral wire that will affect shielded factor.
Co-Authors Bambang Supradono I Gusti Putu Asto Buditjahjanto Luh Putu Ratna Sundari Meini Sondang Sumbawati Tri Rijanto