Question

An electric appliance rated 400w is used 5 hours per day in the month of June. If the cost of a unit is Rs. 3.00, find the energy bill for June.

Answer 1

Answer:

Rs.6

Explanation:

power =400w

0.4kw

energy =power X time

0.4 X 5

2unit

then cost =. 2 X 3

6

Answer 2

Answer:

Explanation:

Refer to the image for answer