Question

In a household 5 tubelights of 40w each are used for 5 hours and an electric press of 500w for 4 hours everyday.Calculate the total energy consumed by the tube lights and press in 30 days

Answer 1

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Annswer by AB

Answer 2

Answer:

The total energy consumed by the tube lights and press in 30 days is 90 units.

Explanation:

Given :

Number of tube lights of  40W = 5

Time for which these 40 W is used = 5 hours

Time for which the electric press of 500 W is used = 4 hours

To Be Calculated: the total energy consumed by the tube lights and press in 30 days.

Solution:

As there are 5 tube lights of 40 W each,

For 5 hours of use,

Power Consumed = (5*40*5)/100 = 1000/100 = 1 kWh

And the electric press of 500w for 4 hours every day.

So, Power Consumed = (500*4*1)/100 = 2kWh

Now, we need to evaluate the total energy consumed by the tube lights and press in 30 days.

So, For the electric Press, Power Consumed = 2*30 = 60 units

For tube lights, Power Consumed = 1 * 30 = 30 units

Thus, the number of units consumed by tube lights and press = 60 + 30 = 90 units.

Hence,  the total energy consumed by the tube lights and press in 30 days is 90 units.

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