Question

An electric geyser of 1500 W is used half an hour a day. What is the energy consumed during this time.
2700 kj
2500 kj
1700kj
2200 kj​

Answer 1

Answer:

2700 kj

Explanation:

Half an hour = 30 minutes

1 minute = 60 seconds

So, for half an hour

= 30×60

= 1800 seconds

We know Energy = Power(Watts)×time consumed (seconds)

= 1500×1800

= 2700000 joules

= 2700 kilo joules