- Anonymous1 decade agoFavorite Answer
material of wire,the thickness of the wire and how long of the wire
when the current of the bulb is reach the limitation of the bulb or when it get very very hot
un-clear of question (3) and (4)
Ohm's Law : V=IR
where V is Voltage,I is Current and R is Resistance
when the Semiconductor operate under 70 degrees Celcius,the reistance of the Semiconductor is Zero.
un-clear of question(7)