Question

Find the number of units consumed by the TV
A TV of rating 80 W operates 4 hours / day.
in a year. ​

Answer 1

Answer:

The TV consumes 116.8 units per year

Explanation:

80W = 0.08kW

Number of units consumed per day= kW × number of hours..

=0.08×4

=0.32 units

Number of units consumed in a year:

=365×0.32

=116.8 units

Answer= The TV consumes 116.8 units per year

Answer 2

Answer:

Explanation:

Given: Power (P) = 100 W

P = 100

1000

kW = 1

10

kW

Time (t) = 6 × 366 = 2196 hrs

To find: Unit consumed = ?

Formula: H = P × t

Solution: H = P × t

    H = 1

10

× 2196

H = 219.6 kWh

Ans. Number of units consumed is 219.6