When three identical bulbs of 60 watt, 200 volt rating are

Home » Electricity and Magnetism » Current Electricity » Question

When three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be

1. 20 watt
2. 60 watt
3. 180 watt
4. 10 watt

Correct Option: A

⇒ P_eq = 20 watt.