Question

Two bulbs 60W and 100w are connected in series and this combination is connected across the mains. Which bulb will glow
more brightly? Give reason.​

Answer 1

Answer:

Here you go ,

Now more current will flow in the bulb which has less resistance which is 100W bulb this time which means 100W bulb dissipate more power than 80W bulb (P=I2R) where current and resistance are directly proportional to the power. Hence, 100W bulb will glow brighter in a parallel circuit.

I hope this helps you

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