A 100 W electric bulb is lighted for 2 hours everyday and five 40 W tubes are lighted for 4 hours everyday. Calculate the energy consumed for 60 days and the cost of electricity consumed at the rate of Rs3 per KWH

Open in App

Solution

Dear Student

Energy of 100 W bulb=Power×Time =100×2 =200 Whr

Energy of 40 W bulb 2 = 4×40×4 =640 Whr
Total energy consumed in one day=200+640 = 840 Wh
Energy consumed in 60 days = 840×30 =25200 Wh = 25.2 kWH

Cost of electricity consumed = 3 x 25.2 = 75.6Rs

Regards

Suggest Corrections

Similar questions

Q. In a house two 60 W electric bulbs are lighted for 4 hours, and three 100 W bulbs for 5 hours everyday. Calculate the electric consumed in 30 days.

Q. A

100 W

electric bulb is lighted for 2 hrs daily and four

40

Watt bulbs are lighted for 4 hrs everyday. Calculate the energy consumed in kWh in 30 days.

In a house two 60 Watt bulbs are lighted for 4 hours, and three 100 watt bulbs for 5 hours everyday. calculate the electric energy consumed in 30 days.

plz tell me that 30 days will be changed to hour or not

In a house two 60 Watt bulbs are lighted for 4 hours, and three 100 watt bulbs for 5 hours everyday. calculate the electric energy consumed in 30 days.

plz tell me why 30 days will not be changed to hour

Don't solve fuul ans but tell me then why u hve answered in kwh

Q. A bulb is rated at 200V,40W. What is the resistance? 5 such bulbs are lighted for 5 hours. Calculate the electrical energy consumed. Find the cost if the rate is Rs 5.10 per kWh

Join BYJU'S Learning Program

A 100 W electric bulb is lighted for 2 hours everyday and five 40 W tubes are lighted for 4 hours everyday. Calculate the energy consumed for 60 days and the cost of electricity consumed at the rate of Rs3 per KWH

Dear Student Energy of 100 W bulb=Power×Time =100×2 =200 Whr Energy of 40 W bulb 2 = 4×40×4 =640 Whr Total energy consumed in one day=200+640 = 840 Wh Energy consumed in 60 days = 840×30 =25200 Wh = 25.2 kWH Cost of electricity consumed = 3 x 25.2 = 75.6Rs Regards ​

Dear Student

Energy of 100 W bulb=Power×Time =100×2 =200 Whr

Energy of 40 W bulb 2 = 4×40×4 =640 Whr
Total energy consumed in one day=200+640 = 840 Wh
Energy consumed in 60 days = 840×30 =25200 Wh = 25.2 kWH

Cost of electricity consumed = 3 x 25.2 = 75.6Rs

Regards