20 A torch bulb rated 4 5 W 1 5 V is connected as shown in

Last updated: 6/9/2023

20 A torch bulb rated 4 5 W 1 5 V is connected as shown in Fig 7 35 The emf of the cell needed to make the bulb glow at full intensity is 4 5 W 1 5 V 192 ww E r 2 672 Pa