In this video, the principle of magnetic surveying on the different platforms as well as an overview of data acquisition, processing and interpretation were discussed in detail. The physics behind the basic principle of magnetometer to detect magnetic anomalies has been meticulously illustrated to reinforce the basics of viewers.

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I am Dr. Debajyoti Saha and welcome to my YouTube channel Physics, learning geophysics
The step by step derivation and concept regarding the equation of electromagnetic (EM) waves in the conducting medium has been presented in this lecture. The physics behind the attenuation of EM waves with skin depth has been detailed. The idea and concept behind the phase shift between electric and magnetic field has been presented in a very simple manner. The application of the EM diffusion equation in the conducting medium was given in the form of a magnetotelluric (MT) electromagnetic study. A must-have for physicists and geophysicists.
Introduction: Learning Physics and Geophysics with Dr. Debajyoti https://www.youtube.com/watch?vv2IlG…, Introductory Lecture for my channel Learning Physics and Geophysics
with Dr. Debajyoti.
Link to previous conferences:
1. https://www.youtube.com/watch?vSQ6uoR-Fu5Q&t1223s, Introduction to Basic Geophysical Techniques and the Study of the Earth
2.https://www.youtube.com/watch?vOKupMXopp6g&t22s, watch the basic simple derivation: gravitational potential (GM/R), time period (T) of the simple pendulum.
3.https://www.youtube.com/watch?vEfGP200qW-s&t1322s, Earth's gravitational field, its measurement, the variation of the gravity anomaly and its correction
4. https://www.youtube.com/watch?vIXeQtqd1XzM…, Gravitational anomalies from bodies with simple geometries, regional and residual anomalies
5.https://www.youtube.com/watch?vo6SMG329BgY&t1055s, Problem solving session on gravitational method involving SHM, mechanics and heat flow.
6.https://www.youtube.com/watch?vQZg12rki0kw&t336s, Numerical Problem Solving Sessions 2 on Gravity: Deriving the SHM Time Period
7. https://www.youtube.com/watch?vwUD_SPcjqL4&t18s, Physics of magnetism, Terrestrial magnetics…, Physics of magnetism, Earth's magnetic field: Internal and external field and their sources
8. https://www.youtube.com/watch?vttNSSZRH0Wc, Maxwell equation; Physical meaning, derivation (1-3), loop, divergence, Stokes, Gauss's law
9. https://www.youtube.com/watch?vhRwXVO4imHc, 4th Maxwells equation of electromagnetism: integral and differential form
10. https://www.youtube.com/watch?vQY7tZZriIXw, Equation of electromagnetic waves in a non-conducting medium: solutions for electric, magnetic and GPR fields
11. https://www.youtube.com/watch?vQY7tZZriIXw&t7s, electromagnetic equation (EM) in a conducting medium: skin depth, EM, magnetotelluric investigation
12. https://www.youtube.com/watch?v5Hb2BN8ykQw&t1402s, derivation of Poynting's theoremNumerical question on the Poynting vector

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