1:18 Why are coils of electric toasters and electric irons made of an alloy rather than a pure metal? MyNotesg 2 views - 1 month ago
1:15 Why do gymnasts apply chalk powder on their hands before performing on parallel bars? MyNotesg 1 views - 3 weeks ago
1:16 How is a voltmeter connected in the circuit to measure the potential difference between two points? MyNotesg 1 views - 1 month ago
2:41 A farmer wants to grow two crops together on the same field. Suggest the best method. MyNotesg 3 weeks ago
1:01 What are the two important properties of sound that help us to recognise a person by his voice? MyNotesg 2 weeks ago
2:23 Draw and explain the distance-time graph for: An object at rest ..? MyNotesg 11 views - 1 month ago