Electrical signals propagating in a transmission line - PhysLab

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Electrical signals propagating in a transmission line

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Student Manual

In the current experiment, we will observe and quantify the speed of propagating electromagnetic waves on the cable. Furthermore, the waves are also reflected whenever they encounter a change in the medium, such as when the cable makes contact with a dissimilar component. This reflection is indeed similar to how light bounces off as it hits the interface between two mediums with distinct refractive indices.

Software Code Comsoft for interfacing BK Precision’s Oscilloscope
Sample Results Speed of signals in transmission lines
A solution manual from Hudaiba Soomro (Lab 2, Fall 2019)
Experiment Code 2.25
Version March 4, 2021 - Version 2021-1

Further Readings and References

  • APPARATUS FOR TEACHING PHYSICS: Speed of a Pulse in a Transmission Line
    The Physics Teacher,https://doi.org/10.1119/1.2351396, Ronald I. Rank, 7, 344, (2006).
  • Electronic Transmission Technology: lines, waves and antennas
    Prentice-Hall Inc, William Sinnema,, pg 20-32, (1979).

Pictorial Procedure



Lab 2 | Tags: electricity, electricity and magnetism
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    • Lab-II (PHY 300/500)
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    • Physics WorldCup
      • International Young Physicists’ Tournament (IYPT) 2019
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      • International Young Physicists’ Tournament (IYPT) 2016
    • Hunerkada
    • Grants
    • Theses and Reports
    • Scientific Publications
    • Invited Talks (Selected)
  • Outreach
    • Media
      • Lectures, Podcasts and Interviews
      • Videobytes
      • YouTube Channel
      • Visitors
      • Testimonials
    • The Scientific Mind Through the Eyes of a Physics Experimenter
    • National Laboratory Immersion Program
      • First Lahore 2012
      • Second Sukkur 2013
      • Third Lahore 2014
      • Fourth Lahore 2016
    • Labview Workshop 2016
    • Open house
      • 2009-2015
      • Open house 2023
    • Khwarizmi Science Society
    • Helping Pakistan’s Universities
      • National University of Technology (NUTECH) 2019
      • Pakistan Institute of Engineering and Applied Sciences
        (PIEAS) 2019 (Final Phase)
      • Pakistan Institute of Engineering and Applied Sciences
        (PIEAS) 2019 (Phase 2)
      • Pakistan Institute of Engineering and Applied Sciences
        (PIEAS) 2018 (Phase 1)
      • National University of Science & Technology 2016
      • Habib University 2014
      • Preston University 2013
      • Ghulam Ishaque Khan Institute of
        Engineering Sciences and Technology 2011
      • Institute of Space Technology 2010
    • The National STEM School
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    • Abdus Salam Memorial Lecture Series
  • Facilities
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