A Galvanometer has an internal resistance of 120 ohm with a maximum allowed current of 250 µA. If you want to modify the G into an ammeter with a full scale deflection of 50 mA, what is the value of the shunt resistor? a. 0.603 2 b. 24000 2 c. 23880 2 d. 0.420 2

A Galvanometer has an internal resistance of 120 ohm with a maximum allowed current of 250 µA. If you want to modify the G into an ammeter with a full scale deflection of 50 mA, what is the value of the shunt resistor? a. 0.603 2 b. 24000 2 c. 23880 2 d. 0.420 2

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter7: Electricity

Section: Chapter Questions

Problem 9P: A 120-V circuit in a house is equipped with a 20-A fuse that will b1ow if the current exceeds 20 A....

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Question

A Galvanometer has an intermal resistance of 120 ohm with a maximum allowed current of 250 µA. If
you want to modify the G into an ammeter with a full scale deflection of 50 mA, what is the value of the
shunt resistor?
a. 0.603 2
b. 24000 2
c. 23880 Q
d. 0.420 2

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