calculate the electricity bill amount for 20 days if 2 bulbs of power 40W each are used for five hours . cost of per unit of electricity is rs 5

Open in App

Solution

Dear Student ,
Here in this case from the given data we get ,
$E l e c t r i c a l e n e r g y c o n s u m e d = \frac{20 \times 2 \times 5 \times 40}{1000} = \frac{8000}{1000} = 8 K W h S o t h e \cos t o f t h e e l e c t r i c i t y = 8 \times 5 = 40 r u p e e s .$

Regards

Suggest Corrections

Similar questions

Q. Calculate the electricity bill for

30 d a y s

if an air conditioner of rating

2 k W

is operated for

4 h o u r s

per day. The cost of electricity per unit is

R s .5

Q. Calculate the electric bill at the end of a month of

30

days at

R s . 2.00

per unit if

6

lamps of

40 w a t t

each burn for

8

hours per day, an electric iron of

1 k W

is used for

2

hours per day and

4

fans of

50 w a t t

each are used for

10

hours per day.

Calculate the electricity bill amount for a month of 31 days, if the following devices are used as specified:
a) 3 bulbs of 30 watts for 5 hours
b) 4 tube lights of 50 watts for 8 hours
c) 1 fridge of 300 watts for 24 hours
Given the rate of electricity is 2 Rs. per unit.

Q. Calculate the electricity bill for