Question

(Single CorreAn electric bulb rated 220 V, 60 W is working at full efficiency. Another identical bulb is connected in series with it across the mains, as shown:What is the total power consumed now?A 20W B 40W C 30W D 60W​

Answer 1

Answer:

Another identical bulb is connected in the same circuit having power supply of 220V. (I) If both the bulbs are connected in series then the total power consumption will be 60W. (ii) If only one bulb is connected in parallel then the total power consumption will be 30W.

Explanation:

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Answer 2

Answer:

C. 30W

Explanation:

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