A torch bulb rated 4.5 W

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A torch bulb rated 4.5 W, 1.5 V is connected as in figure. The emf of the cell needed to make the bulb glow at full intensity is
06
Dec
A torch bulb rated 4.5 W, 1.5 V is connected as in figure. The emf of the cell needed to make the bulb glow at full intensity is 1.5 V is connected as in figure. The emf of the cell needed to make the bulb glow at full intensity is A torch bulb rated 4.5 [...]
Posted in: Cengage JEE Mains Physics by B.M Sharma , Chapter 20 - Heating Effects of Current and Instruments ,
Tags: 1.5 V is connected as in figure. The emf of the cell needed to make the bulb glow at full intensity is , A torch bulb rated 4.5 W ,