Physics 2 A Galvanometer As A Milliammeter Calculations Lab Report

Anonymous

Question Description

experiment 6: Electrical meters - A Galvanometer as a milliammeter

I need answers for the attached lab questions/experiment questions, calculation, and graphs.

Tutor Answer

Geontiry
School: New York University

Hello buddy, thank you for the followup. I have responded to your questions and reviewed the question in the following final answer that I have attached. Sorry for the oversight that I made in excel when calculating the value of I.

Last Name 1

Name
Instructor's name
Course
Date
Lab Report
Part I: A Galvanometer as a milliammeter
a) Measured emf: 1.367 V
b) Data for measurement made:
𝑅 (Ω)

𝐼 𝑥10−3 (𝐴) 𝑅 ∗ 𝐼 (𝑉 ) 1/𝐼 (𝐴−1 )

1.324

1.0

1.324

0.76

1.750

0.9

1.575

0.63

1.670

0.8

1.336

0.75

1.880

0.7

1.316

0.76

2.190

0.6

1.314

0.76

2.652

0.5

1.326

0.75

The value of 1/𝐼 was found by calculating the reciprocal of I i.e. 1 divided by value of
current. The formula is in the excel file attached.
The product 𝑅𝑥𝐼 is ...

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