Question

When 220V-60W and 220V-100W lamps are connected to a 220V line in a class co-op, which one is brighter and why? Explain. ​

Answer 1

Answer:

The resistance of the bulb is given by R=V2/P. So the resistance of 60 W bulb is more than the resistance of 100 W bulb. When they are connected in series the current through both bulbs is same. Hence 60 W bulb will be more brighter because P = I2R.

Explanation:

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Answer 2

Answer:

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Explanation:

The resistance of the bulb is given by R=V2/P. So the resistance of 60 W bulb is more than the resistance of 100 W bulb. When they are connected in series the current through both bulbs is same. Hence 60 W bulb will be more brighter because P = I2R.