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If two bulbs of wattage 25 and 30, each rated at 220 volts, are connected in series with a 440 volt supply, which bulb will fuse
- a)25W bulb
- b)30W bulb
- c)Neither of them
- d)Both of them
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If two bulbs of wattage 25 and 30, each rated at 220 volts, are connec...
Explanation:
When two bulbs of different wattage are connected in series, the bulb with lower wattage will consume less power and hence have a higher resistance compared to the other bulb. This means that the lower wattage bulb will have a higher voltage drop across it and hence will be more prone to fuse.
In this case, the 25W bulb has a higher resistance compared to the 30W bulb and hence will have a higher voltage drop across it. So, the 25W bulb will fuse first.
Answer: option 'A' - 25W bulb will fuse.
When two bulbs of different wattage are connected in series, the bulb with lower wattage will consume less power and hence have a higher resistance compared to the other bulb. This means that the lower wattage bulb will have a higher voltage drop across it and hence will be more prone to fuse.
In this case, the 25W bulb has a higher resistance compared to the 30W bulb and hence will have a higher voltage drop across it. So, the 25W bulb will fuse first.
Answer: option 'A' - 25W bulb will fuse.
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If two bulbs of wattage 25 and 30, each rated at 220 volts, are connected in series with a 440 volt supply, which bulb will fusea)25W bulbb)30W bulbc)Neither of themd)Both of themCorrect answer is option 'A'. Can you explain this answer?
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