|[https://youtu.be/G8YLnQP8aT8 expt.using copper spring https://youtu.be/7xNQrwFzEq4 expt.using thermometer https://youtu.be/c1PKFlVJ5w0expt.using ironfillings Heating and magnetic effects of electric current]
+
|[https://youtu.be/G8YLnQP8aT8 expt.using copper spring] [https://youtu.be/7xNQrwFzEq4 expt.using thermometer] [https://youtu.be/c1PKFlVJ5w0expt.using ironfillings Heating and magnetic effects of electric current]