Conversion of Galvanometer to Ammeter MeitY OLabs

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This video channel is developed by Amrita University's CREATE • http://www.amrita.edu/create • ▶ For more Information @ • http://amrita.olabs.edu.in/?sub=1 brc... • ▶ Amrita Online Lab Project website • http://www.olabs.edu.in/ • ▶ Subscribe @ • / amritacreate • / amritavlab • ▶ Like us @ • / createatamrita • • Copyright © 2016 Amrita University • Developed by Amrita University CDAC Mumbai. Funded by MeitY (Ministry of Electronics Information Technology) • • Conversion of Galvanometer to Ammeter :- • A galvanometer is a device used to detect feeble electric currents in a circuit. It has a coil pivoted (or suspended) between concave pole faces of a strong laminated horse shoe magnet. When an electric current passes through the coil, it deflects. The deflection is proportional to the current passed. A galvanometer can detect only small currents. Thus, to measure large currents it is converted into an ammeter. It can be converted into an ammeter by connecting a low resistance called shunt resistance in parallel to the galvanometer. Value of resistance is so adjusted that most of the current passes through the small resistance , shunt . • This video explains how to convert the given galvanometer (of known resistance and figure of merit) into an ammeter of desired range and to verify the same.

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