Question

radio set of 60 Watts runs for 5 hours every day. Calculate the cost of using it for the month of June,if the rate of each unit is 3.00

Answer 1

Answer:

How many 'units' (kWh) of electrical energy are consumed ? Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams. Thus, the electrical energy consumed is 3 kWh or 3 units.

Answer 2

Answer:

We want to calculated the electrical energy in kilowatt-hours, so first we should convert the power of 60 watts into kilowatts by dividing it by 1000. That is :

Power, P =60 watts

=601000 kilowatts

= 0.06 kW

And, Time, t = 50 h

Now, putting P = 0.06 kW and t = 50 h in formula:

Power=Energy comsumedTime taken

We get : 0.06kW=Energy consumed50h

So, Energy consumed =0.06kW×50h

= 3 kWh

Thus, the electrical energy consumed is 3 kWh or 3 units.

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