Question

WHY IS COPPER WIRE NOT USED IN THE FILAMENT OF A BULB OR AS A HEATING ELEMENT OF HEATER ?WHAT WILL HAPPEN IF WE USE A THICK TUNGSTEN WIRE IN AN ELECTRIC BULB ?

Answer 1

Because it melting temperature is low as compared to tungsten and bulb would not glow

Answer 2

in bulb or heater we use wire like Nikrome of tungsten just because the r not as good conductor and also create heating effect. on the other hand copper Is a good conductor and not create heating effects...