A galvanometer has a coil resistance of ?galv=47.7 ΩRgalv=47.7 Ω. It is to be made into an ammeter with a full‑scale deflection equal to ?=2.55 AI=2.55 A. If the galvanometer deflects full scale for a current of ?galv=165 mAIgalv=165 mA, what size shunt resistor should be used?
A galvanometer has a coil resistance of ?galv=47.7 ΩRgalv=47.7 Ω. It is to be made into an ammeter with a full‑scale deflection equal to ?=2.55 AI=2.55 A. If the galvanometer deflects full scale for a current of ?galv=165 mAIgalv=165 mA, what size shunt resistor should be used?
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter9: Measuring Instruments
Section: Chapter Questions
Problem 3PP: 3. A meter movement has a full-scale value of . A shunt is to be connected to the meter that permits...
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A galvanometer has a coil resistance of ?galv=47.7 ΩRgalv=47.7 Ω. It is to be made into an ammeter with a full‑scale deflection equal to ?=2.55 AI=2.55 A. If the galvanometer deflects full scale for a current of ?galv=165 mAIgalv=165 mA, what size shunt resistor should be used?
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