Question
Question: A 25 watt, 220 volt bulb and a 100 watt, 220 volt bulb are connected in series across a 220 volt lin...
A 25 watt, 220 volt bulb and a 100 watt, 220 volt bulb are connected in series across a 220 volt lines. Which electric bulb will glow more brightly
A
25 watt bulb
B
100 watt bulb
C
First 25 watt and then 100 watt
D
Both with same brightness
Answer
25 watt bulb
Explanation
Solution
The resistance of 25 W bulb is greater than 100 W bulb. So for the same current, heat produced will be more in 25 W bulb. So it will glow more brightly.