|[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]
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|[https://youtu.be/G8YLnQP8aT8 effect of electricity using copper spring] [https://youtu.be/7xNQrwFzEq4 effect of electricity using thermometer] [https://youtu.be/c1PKFlVJ5w0 effect of electricity using ironfillings] [Heating and magnetic effects of electric current]