MECH 371 Lab #2 (Experiment 2: Determination of Pre-Amplifier
Gain, DC Motor Constancy, Time Constant) 2025-2026 Concordia
University
Experiment 2:
Determination of Pre-Amplifier
Gain, DC Motor Constancy,
Time Constant
Submitted by
Lab Section AI – X
Fall 2025
Professor Wen-Fang Xie
Concordia University
Montreal, QC, Canada
, Table Of Contents
Table Of Contents ..................................................................................... 2
List of Figures........................................................................................ 3
List of Tables .......................................................................................... 3
Objective ............................................................................................ 4
Introduction ......................................................................................... 4
Procedure ........................................................................................... 5
Exp 1 ............................................................................................... 5
Exp 2 ............................................................................................... 6
Experimental Results ................................................................................ 7
Experiment 1....................................................................................... 7
Experiment 2....................................................................................... 9
Discussion ......................................................................................... 12
Sources of Error ................................................................................. 12
Conclusion......................................................................................... 12
References ........................................................................................ 13
Appendix .......................................................................................... 14
Gain, DC Motor Constancy, Time Constant) 2025-2026 Concordia
University
Experiment 2:
Determination of Pre-Amplifier
Gain, DC Motor Constancy,
Time Constant
Submitted by
Lab Section AI – X
Fall 2025
Professor Wen-Fang Xie
Concordia University
Montreal, QC, Canada
, Table Of Contents
Table Of Contents ..................................................................................... 2
List of Figures........................................................................................ 3
List of Tables .......................................................................................... 3
Objective ............................................................................................ 4
Introduction ......................................................................................... 4
Procedure ........................................................................................... 5
Exp 1 ............................................................................................... 5
Exp 2 ............................................................................................... 6
Experimental Results ................................................................................ 7
Experiment 1....................................................................................... 7
Experiment 2....................................................................................... 9
Discussion ......................................................................................... 12
Sources of Error ................................................................................. 12
Conclusion......................................................................................... 12
References ........................................................................................ 13
Appendix .......................................................................................... 14
