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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![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fca0f63c5-9399-4a84-b7ec-fd5c52d6b740%2F23df2e7b-065a-4daa-84e3-4e6140b59762%2Fa4pjy6_processed.png&w=3840&q=75)
Transcribed Image Text: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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