Lab.-Experiment1.pdf - Electrical Engineering Department...

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Electrical Engineering Department First year Lab Aswan University Faculty of Engineering 1 | P a g e Experiment No. 1 Ohm’s Low Objectives: 1- Understanding the relation between the voltage and current 2- Identifying the resistances from their color codes 3- Measurement of unknown resistance using Wheatstone bridge Equipment: Instruments: DC power supply 2 Digital multimeters Components: Breadboard ± 5HVLVWRUV ²³Nƺ´ ³µ Nƺ´ ¶·¸ Nƺ´ ¶¸ Nƺ´ DQG ³µµ Nƺ¹ 3RWHQWLRPHWHU ²³µ Nƺ¹ Background: 2KPºV /DZ GHILQHV WKH UHODWLRQVKLSV EHWZHHQ» YROWDJH´ FXUUHQW´ SRZHU DQG UHVLVWDQFH· 2QH RKP LV WKH UHVLVWDQFH YDOXH WKURXJK ZKLFK RQH YROW ZLOO PDLQWDLQ D FXUUHQW RI RQH DPSHUH· &XUUHQW ²,¹ : is what flows on a wire or conductor like water flowing down a ULYHU· &XUUHQW IORZV IURP QHJDWLYH WR SRVLWLYH RQ WKH VXUIDFH RI D FRQGXFWRU· &XUUHQW LV PHDVXUHG LQ ²$¹ DPSHUHV RU DPSV· 9ROWDJH ²9¹¼ LV WKH GLIIHUHQFH LQ HOHFWULFDO SRWHQWLDO EHWZHHQ WZR points in a FLUFXLW· ,WºV WKH SXVK RU SUHVVXUH EHKLQG FXUUHQW IORZ WKURXJK D FLUFXLW´ DQG LV PHDVXUHG LQ ²9¹ YROWV·
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Electrical Engineering Department First year Lab Aswan University Faculty of Engineering 2 | P a g e 3RZHU ²3¹¼ LV WKH DPRXQW RI FXUUHQW WLPHV WKH YROWDJH OHYHO DW D JLYHQ SRLQW
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