Current Electricity Charging Discharging Of Capacitors Question 458
Question: Two bulbs of equal wattage, one having carbon filament and the other having a tungsten filament are connected in series to the mains, then
Options:
A) Both bulbs glow equally
B) Carbon filament bulb glows more
C) Tungsten filament bulbs glows more
D) Carbon filament bulb glows less
Show Answer
Answer:
Correct Answer: C
Solution:
Resistance of carbon filament decreases with temperature while that of tungsten increases with temperature In series $ P _{Consumed}\propto R $ i.e. tungsten bulb will glow more brightly
BETA
