Start Free Mock LoginAlready registered? Login here

Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityElectrical PowerEasy2 minQB

PhysicsEasysingle choice

A 220 volt, 1000 watt bulb is connected across a 110 volt mains supply. The power consumed will be

Options:

Answer:

Solution:

$p = \frac{V ^{2}}{R}$ or $R = \frac{( 220 ) ^{2}}{1000}$
Power consumed $= \frac{V ^{2}}{R} = \frac{110 \times 110}{220 \times 220} \times 1000 = 250$ watt

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical Power

⏱ 2mℹ️ Source: QB

Doubts & Discussion

Loading discussions...