1. What current is required for full scale deflection of a galvanometer having a current sensitivityof 50μA per scale division? The meter has exactly 50 divisions on either side of the mid-scaleindex.2. Determine the shunt resistance needed to convert a galvanometer to an ammeter with a fullscale reading of 10A if the scale requires 2.5mA to cause full deflection with a coil resistanceof 109.3. Find the current through the 2ohm resistor in the circuit5Ω4 Ωww9 V6Ωww4 Ω120202

Answered: Image /qna-images/answer/67a4d96a-0ee6-430b-a2f5-4e9cd96202d1.jpg

Answered: 9V 4 Ω ww Μ 6Ω Μ 4 Ω 5 Ω 1258 ΖΩ

Engineering

Electrical Engineering

9V 4 Ω ww Μ 6Ω Μ 4 Ω 5 Ω 1258 ΖΩ

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 1PA: An AC electric motor is connected to a 240-V, 60-Hz source. A clamp-on ammeter with a peak hold...

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Question

1. What current is required for full scale deflection of a galvanometer having a current sensitivity
of 50μA per scale division? The meter has exactly 50 divisions on either side of the mid-scale
index.
2. Determine the shunt resistance needed to convert a galvanometer to an ammeter with a full
scale reading of 10A if the scale requires 2.5mA to cause full deflection with a coil resistance
of 109.
3. Find the current through the 2ohm resistor in the circuit
5Ω
4 Ω
ww
9 V
6Ω
ww
4 Ω
120
202

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