Saved Bookmarks
| 1. |
A heater coil is cut in to two parts of equallength and only one of them is used in theheater. The ratio of the heat produced by thishalf-coil to that by the original coil is1) 2: 1 2) 1:2 3) 1:44) 4:1 |
| Answer» A heater coil is cut in to two parts of equallength and only one of them is used in theheater. The ratio of the heat produced by thishalf-coil to that by the original coil is1) 2: 1 2) 1:2 3) 1:44) 4:1 | |