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All Journal Fisitek : Jurnal Ilmu Fisika dan Teknologi
Lailatul husna lubis
Program Studi Fisika Fakultas Sains dan Teknologi UIN Sumatera Utara Medan
Computer Science & IT Education Physics

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CLASSIFICATION OF MOUNT KELUD VOLCANO SEISMIC SIGNALS DURING ERUPTION IN NOVEMBER 2007 Lailatul husna lubis; Ratni Sirait; Miftahul Husnah; Ridwan Yususf Lubis
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 3, No 1 (2019)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitek.v3i1.5473

Abstract

Classification of mount Kelud volcano seismic signals can be divided into several types,  VT-A, VT-B, low frequency, multiphase, and tremor. The analysis by classifying the volcano seismic signal from eruption of Mount Kelud based on the shape of the signal. Data analyzed were starting on 16 to 27 October 2007. The results of volcano seismic signal which recording showed different shapes and were classified according to the type of signal. Each seismic signal recording is grouped according to its shape and the classification results are signaled into VT-A, VT-B, multiphase, low frequency, and tremor.Keywords: Kelud mountain, low frequency, multiphase, signal classification, tremor, VT-A, and VT-B.
THE EFFECT OF TEMPERATURE VARIATION ON RESISTANCE VALUE IN ELECTRICITY CIRCUITS Ridwan Yusuf Lubis; Lailatul Husna Lubis; Miftahul Husnah
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 4, No 1 (2020)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitek.v4i1.7919

Abstract

Temperature is the level of heat in an object and one of the variables that gives an influence on the value of an object's electrical resistance. The value of electrical resistance affects the conductivity of objects. This study aims to determine the change in the value of resistance in the wire connected to the heater. The benefit of this research is to provide information to the public about the effect of temperature changes on the value of electrical resistance. This study uses an experimental method by measuring the resistance values on wire 1 and wire 2 which are at room temperature and influenced by heat sources. Changes in temperature towards higher values make free electrons in the wire move faster. The higher the temperature value, the higher the value of resistance produced by the wire.
Co-Authors Miftahul Husnah Ratni Sirait Ridwan Yusuf Lubis Ridwan Yususf Lubis