D2 practical: Magnetic field inside a coil support
Some months ago I bought 5 Vernier magnetic field senors from eBay and I already had one from PASCO so I have almost a class set. These sensors aren't cheap so if you don't have so many you could do this practical in a circus with the Falling magnet practical. I suggest that you wrap the coils directly round the sensor but be careful, if you use to much current the wire will get hot and ruin the sensor. It might be a...