A galvanometer has a coil resistance of RgalyI = 2.45 A. If the galvanometer deflects full scale for a current of Igalv= 61.7 Q. It is to be made into an ammeter with a full-scale deflection equal to= 115 mA, what size shunt resistor should be used?size of shunt resistor:Ω

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A galvanometer has a coil resistance of Rgalv = 61.7 Q. It is to be made into an ammeter with a full-scale deflection equal to I = 2.45 A. If the galvanometer deflects full scale for a current of Igalv = 115 mA, what size shunt resistor should be used?

A galvanometer has a coil resistance of Rgalv = 61.7 Q. It is to be made into an ammeter with a full-scale deflection equal to I = 2.45 A. If the galvanometer deflects full scale for a current of Igalv = 115 mA, what size shunt resistor should be used?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 60PE: Integrated Concepts (a) What energy is dissipated by a lightning bolt having a 20,000-A current, a...

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Question

A galvanometer has a coil resistance of Rgaly
I = 2.45 A. If the galvanometer deflects full scale for a current of Igalv
= 61.7 Q. It is to be made into an ammeter with a full-scale deflection equal to
= 115 mA, what size shunt resistor should be used?
size of shunt resistor:
Ω

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