Question

An air conditioner is rated 240 V, 1.5 kW. The air conditioner is switched on 8 hours each day. What is electrical energy consumed in 30 days?

• A. 2.88 kWh
• B. 360 kWh
• C. 120 kWh
• D. 240 kWh

Answer 1

Answer: (B)

360 kWh

Given,

Power of air conditioner $P=1.5kW$

Time to use per day $t=8hr$

Time to use in 30 days $T=8\times 30hr$

Energy consumed $E=Power\times time=1.5kW\times 8\times 30hr=360kWh$

Option B