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ThingSpeak Cloud || Data send to Cloud using Arduino / ESP 32 || IoT Project|| IoT Experiment

 #include <WiFi.h> #include <HTTPClient.h> int x=0; // Set our wifi name and password const char* ssid = "MClasses"; const char* password = "12345678"; String serverName = "https://api.thingspeak.com/update?api_key=XXXXXXXXXXXXXX&field1=0"; unsigned long lastTime = 0; unsigned long timerDelay = 60000; void setup() {   pinMode(34,INPUT);   Serial.begin(9600); // Opens up the serial port with a baudrate of 9600 bits per second   WiFi.begin(ssid, password); // Attempt to connect to wifi with our password   Serial.println("Connecting"); // Print our status to the serial monitor   // Wait for wifi to connect   while(WiFi.status() != WL_CONNECTED) {     delay(500);     Serial.print(".");   }   Serial.println("");   Serial.print("Connected to WiFi network with IP Address: ");   Serial.println(WiFi.localIP()); } void loop() {   if ((millis() - lastTime) > timerDelay) { // Check if its been a minut...

Numerical on vector Calculus part 2 (Stoke's Theorem)

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https://youtu.be/ZWu752tGHrU  In this post the following problem is solved based on line integral and stoke's theorem.  If A = ρ cos ϕ âρ + sin ϕ âϕ, evaluate ∮ A • dl around the path shown in figure. Confirm this using Stokes's theorem. Solution-  See the detailed explanation of the problem https://youtu.be/ZWu752tGHrU

Numerical on Vector Calculus part 1

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https://youtube.com/playlist?list=PL_6QR94iYxAURgWpRArWHMMbRGeHViQJV          In this blog i have solved the following problem  If G(r) = 10 e-2z (ρ âρ + âz), determine the flux of G out of the entire surface of the cylinder ρ = l, 0 ≤ z ≤ 1. Confirm the result using the divergence theorem. solution -  See the detailed Explanation  in the following video https://youtu.be/fLNhoxCfhDY See the other problems in the following playlist https://youtube.com/playlist?list=PL_6QR94iYxAURgWpRArWHMMbRGeHViQJV

Numerical Problems on Electromagnetic Wave Propagation part 5

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 Solve the following question In a nonmagnetic medium E = 4 sin (2π x107 - 0.8 x) az V/m Find (a) ɛr and η (b) The time-average power carried by the wave (c) The total power crossing 100 cm2 of plane 2x + y = 5 Step by Step process for the above problem See the other problems from electromagnetic wave propagation https://youtube.com/playlist?list=PL_6QR94iYxAUu-nq9aN_3xq90qvtnR_CI #electromagnetic #numericexamples #EM_Problems #wavepropagation

Numericals on electromagnetic Wave Propagation part 4

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 How to solve the following Problem: A uniform plane wave propagating in a medium has E = 2e-αz sin (108t - βz) ay V/m. If the medium is characterized by ɛr = 1, μr = 20, and σ = 3 mhos/m, find α, β and H. See the explanation to this problem in the following link https://youtu.be/gS4XpKL4GO4 See the other problems from electromagnetic wave propagation https://youtube.com/playlist?list=PL_6QR94iYxAUu-nq9aN_3xq90qvtnR_CI

Numerical Problems on Electromagnetic Wave propagation - part 3

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Solve the following Problem In a lossless medium for which η = 60π, μr = 1, and H = - 0.1 cos (ωt - z) ax + 0.5 sin (ωt - z) ay A/m, calculate ɛr, ω, and E. Solution   Explaination of the answer https://youtu.be/eM1p6eVgOnI See the other problems from electromagnetic wave propagation https://youtube.com/playlist?list=PL_6QR94iYxAUu-nq9aN_3xq90qvtnR_CI

Numericals on Electromagnetic Wave Propagation Part 2

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Solve the following Problem.   A lossy dielectric has an intrinsic impedance of 200 ∟30° Ω at a particular frequency. If, at that frequency, the plane wave propagating through the dielectric has the magnetic field component H = 10 e-αx cos(ωt – 0.5x) ay A/m find E and α. Determine the skin depth and wave polarization. Step by step explanation -  See the other problems from electromagnetic wave propagation https://youtube.com/playlist?list=PL_6QR94iYxAUu-nq9aN_3xq90qvtnR_CI Reference- Sadiku, Matthew NO, and Sudarshan Nelatury.  Elements of electromagnetics . Vol. 428. New York: Oxford university press, 2001.