Among the following household appliances, the one whose power consumption is closest to 1kW · h is () A. Electronic watch B. flashlight C. light bulb D. air conditioner

Among the following household appliances, the one whose power consumption is closest to 1kW · h is () A. Electronic watch B. flashlight C. light bulb D. air conditioner

P = wt = 1kW · h1h = 1kW. Among the four options, air conditioner is the one with rated power close to 1kW