Saved Bookmarks
| 1. |
R1, R2 and R3 are the filament resistance of50 W, 100 W and 150 W bulbs, respectively.If all three bulbs are designed to work at thesame voltage, then |
|
Answer» Power of bulb is inversely PROPORTIONAL to the resistance of filament WIRE of bulb HENCE, P2P1=R1R2 100200=R1R2 ⇒R1R2=2 Hence, R2=2R1 Explanation: hope this is help you |
|