Current Electricity Charging Discharging Of Capacitors Question 453
Question: 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
[MP PET 1999; MP PMT 1999]
Options:
A) 25 watt bulb
B) 100 watt bulb
C) First 25 watt and then 100 watt
D) Both with same brightness
Show Answer
Answer:
Correct Answer: A
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.
BETA
