An incandescent light bulb has a tungste...

An incandescent light bulb has a tungsten filament that is heated to a temperature `3xx10^(3)K` when an electric current passes through it. If the surface area of the filament is approximately `10^(-4)m^(2)` and it has an emissivity of 0.32, the power radiated by the bulb is

150 W

175 W

200 W

225 W

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