1. A "pz220-100" bulb, connected to a 200V circuit, the rated power of this bulb is______ W what is the actual power__________ W 2. An incandescent lamp is marked with the word "pz220-40". If the lamp is turned on for 4 hours every day, the power consumption will be 30 days per month____________ Kilowatt hour 3. 1 kwh of electricity can supply a 500W electric iron to work normally________ hour

1. A "pz220-100" bulb, connected to a 200V circuit, the rated power of this bulb is______ W what is the actual power__________ W 2. An incandescent lamp is marked with the word "pz220-40". If the lamp is turned on for 4 hours every day, the power consumption will be 30 days per month____________ Kilowatt hour 3. 1 kwh of electricity can supply a 500W electric iron to work normally________ hour

1. A "pz220-100" bulb is connected to a 200V circuit. The rated power of the bulb is (100) W, and the actual power is (82.6) W
2. An incandescent lamp is marked with "pz220-40". If the lamp is turned on for 4 hours a day, the power consumption is (4.8) kwh per month (calculated as 30 days)
A 500W iron can work normally for 2 hours with 3.1kwh power