Saved Bookmarks
| 1. |
State the energy changes in the following cases while in use: (a) loudspeaker (b) a steam engine (c) microphone (d) washing machine (e) a glowing electric bulb (f) burning coal (g) a solar cell (h) bio-gas burner (i) an electric cell in a circuit (j) a petrol engine of a running car (k) an electric toaster (l) a photovoltaic cell (m) an electromagnet. |
|
Answer» State the energy changes in the following cases while in use: (a) loudspeaker (b) a steam engine (c) microphone (d) washing machine (e) a glowing electric bulb (f) burning coal (g) a solar cell (h) bio-gas burner (i) an electric cell in a circuit (j) a petrol engine of a running car (k) an electric toaster (l) a photovoltaic cell (m) an electromagnet. |
|