Question

*Which of the following electric device use minimum energy?*

1️⃣ LED of 3W used for 6 hours
2️⃣ Water motor of 1HP used for 20 mins
3️⃣ Heater of 1200 W used for 30 mins
4️⃣ Bulb of 60 W used for 1 hour​

Answer 1

option (1)

because it use only 24W for 6 hours

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Answer 2

Answer:

the first answer is the correct on ok

Explanation:

because hamne 7 m padha tha ki led uses less energy so it is the correct one