SC-1186
Energy transfer
Lower Sec Science · Secondary 2 · Hard · Energy transfer
A 60 W LED bulb and a 60 W filament bulb are both switched on for 2 hours. The LED bulb appears brighter. Using the idea of energy transfer, which statement best explains this?
- The LED bulb converts more electrical energy into light than the filament bulb.
- The LED bulb uses more electrical energy than the filament bulb.
- The filament bulb converts more electrical energy into light than the LED bulb.
- The filament bulb uses less electrical energy than the LED bulb.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.