A moving coil ammeter gives a full scale deflection for a current i = 250 mA and its coil has a resistance RC = 3.6Ω. A shunt resistor Rsh = 0.2Ω is used to change the full scale deflection of the ammeter. What is the new full scale deflection of this ammeter? Select one: a. 4.75 A b. 20 A c. 12.5 mA d. 4.0 A

A moving coil ammeter gives a full scale deflection for a current i = 250 mA and its coil has a resistance RC = 3.6Ω. A shunt resistor Rsh = 0.2Ω is used to change the full scale deflection of the ammeter. What is the new full scale deflection of this ammeter? Select one: a. 4.75 A b. 20 A c. 12.5 mA d. 4.0 A

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter22: Resistive-capacitive Parallel Circuits

Section: Chapter Questions

Problem 2PP

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