(a) Find the resistance (in 0) that must be placed in parallel with a 11.0 0 galvanometer having a 115 µA sensitivity to allow it to be used as an ammeter with a 20.0 A full-scale reading. (b) Find the resistance (in n) that must be placed in parallel to allow it to be used as an ammeter with a 100 mA full- scale reading.

(a) Find the resistance (in 0) that must be placed in parallel with a 11.0 0 galvanometer having a 115 µA sensitivity to allow it to be used as an ammeter with a 20.0 A full-scale reading. (b) Find the resistance (in n) that must be placed in parallel to allow it to be used as an ammeter with a 100 mA full- scale reading.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 69AP: Consider the circuit below. The battery has an emf of = 30.00 V and an internal resistance of r =...

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