The wattage of a bulb is 24 W when it is connected to a 12 V battery. Calculate its effective wattage if
it operates on a 6 V battery (Neglect the change in resistance due to unequal heating of the filament in the
two cases).
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the increasing population increased the risk of diseases like cholera to spread. Additionally, the lifestyle of the people changed and also wealth increasing their living standards. The people started getting good houses and huge amounts of salaries to live a standard and comfortable life.
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