Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityElectrical PowerMedium2 minQB

PhysicsMediumsingle choice

An electric bulb is rated 220 volt $- 100$ watt. The power consumed by it when operated on 110 volt will be

Answer:

Solution:

$\frac{V _{1}^{2}}{P _{1}} = \frac{V _{2}^{2}}{P _{2}} =$ Resistance
$\Rightarrow P_{2} = 25 W$

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical Power

⏱ 2mℹ️ Source: QB

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