[" The resistance of the filament of an electric "],[" bulb changes with temperature.If an electric "],[" bulb cated "220" volt and "100" watt is "],[" connected "(220times.8)" volt sources,then the "],[" actual power would be: "],[[" (2) "100times0.8)^(2)" watt "],[" Between "100times0.8" watt and "100" watt "],[" Between "100times(0.8)^(2)" watt and "100times]],[" 0.8watt "]