A house has four lamps rated (60W, 240V), a cooker rated (5kw, 240V), and an iron box rated (1kW, 240V). All are used 3.5 hours...

      

A house has four lamps rated (60W, 240V), a cooker rated (5kw, 240V), and an iron box rated (1kW, 240V). All are used 3.5 hours a day. Calculate the monthly cost for electricity for the owner at the rate of 13.5 cents/ KWhr.

  

Answers


Kavungya
Number of units = 0.306 + 5.0 + 1.0 = 6.06 units
Total units = (6.06 × 3.5 × 30) = 636.3 units
Total cost= 636.3 × 13.5 = 85.90 shillings
Kavungya answered the question on May 30, 2019 at 13:09


Next: Figure below shows a simple barometer. a) What is the region A? b) What keeps the mercury in the tube? c) What is the value of the...
Previous: Determine the cost of using an electric iron rated 1500W, for a total of 30 hours given that the cost of electricity per kwhis kshs...

View More Physics Questions and Answers | Return to Questions Index


Exams With Marking Schemes

Related Questions