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 $R s .5$ .

R s .120

No worries! We‘ve got your back. Try BYJU‘S free classes today!

R s .1200

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

R s .2000

No worries! We‘ve got your back. Try BYJU‘S free classes today!

R s .200

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $R s .1200$
Given:
Power rating of the air conditioner = $2 k W$
Cost of electricity per unit = $R s .5$
Time for which the device is operated in a day = $4 h o u r s$
Units consumed per day = $2 k W \times 4 h o u r s = 8 k W h = 8 u n i t s$
Units consumed in $30 d a y s$ = $8 \times 30 = 240 u n i t s$
Electricity bill for $30 d a y s$ = $240 u n i t s \times R s .5 \frac{1}{u n i t} = R s .1200$

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. A house is fitted with 4 lamps 60w each, 2 fans rated 100w each, an electric kettle rated 2KW. If the energy costs Rs. 5.50 per KWh, calculate the monthly bill (of 30 days) for running the appliances for 5 hours a day.

An electric room heater is rated at 2kW . Calculate the cost of using it for 2 hours daily in the month of September for 30 days if each unit costs Rs 4

Q. An electric refrigerator rated

1

kW operates

5

hours /day.The cost of energy to operated it for

30

days at

R s .3 .00

per unit is

Q. Calculate the cost of using four 500 W air-conditioners for eight hours each day for a 30 day month. The unit cost of electrical energy is Rs. 1.50 per kWh.

Join BYJU'S Learning Program

Calculate the electricity bill for 30 days if an air conditioner of rating 2 kW is operated for 4 hours per day. The cost of electricity per unit is Rs.5.

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 $R s .5$ .