CBSE Class 10 Answered
Why does a 10 W bulb have more resistance than a torch bulb???
Asked by | 26 Mar, 2009, 10:57: AM
Expert Answer
In both the lighting systems heat dissipated through the resistor is directly proprtional to the brightness produce. Clearly brightness required when we light up a bulb is more than that required when we light up a torch bulb. Hence for greater dissipation of power a 10 W bulb has higher resistance.
Answered by | 26 Mar, 2009, 09:18: PM
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