vt.physics on Instagram: "Revealing the Science: How Hall Effect Sensors Make Your Laptop Sleep What appears to be a curious trick - placing an AirPods case near a Chromebook and watching the screen turn off - is in fact a straightforward application of the Hall effect. Modern laptops employ Hall effect sensors near the hinge to detect whether the lid is open or closed. A constant current flows through the sensor, and when a nearby magnet is introduced, its magnetic field deflects the moving cha

Hall Effect – Principle, Theory, Formula, Applications & FAQs

In a Hall-effect experiment, express the number density of char... | Filo

In a Hall effect experiment a sample of thickness d, length l a... | Filo