When a `500-W` electric and a `500-W` heater operate at their rates voltages, the filament of the bulb reaches a much higher temperature than the filament of the heater. The most important reason for this thatA. their resistances are not equalB. they are made of different materialsC. their dimensions are very differentD. they radiate different powers at different temperatures

When a `500-W` electric and a `500-W` heater operate at their rates vo

1.	When a `500-W` electric and a `500-W` heater operate at their rates voltages, the filament of the bulb reaches a much higher temperature than the filament of the heater. The most important reason for this thatA. their resistances are not equalB. they are made of different materialsC. their dimensions are very differentD. they radiate different powers at different temperatures
Answer» Correct Answer - C::D

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