Question

A carnot engine having efficiency 40% used as a refrigerator. If work done by compressor of gas is 100J.Find heat absorbed from the body having lower temperature.

Answer 1

I got the ans as 150J.
And it is wrong

Answer 2

@ganeshie8

Answer 3

@QueenFromADayOfRace @nubeer

Answer 4

http://www.ohio.edu/people/piccard/phys202/carnot/carnot.html

if that link is correct then you are looking at \(0.4 = \dfrac{Q_e}{100 - Q_e}\)

scroll down to fridge

Answer 5

@ganeshie8

Answer 6

3rd Last post i made

Answer 7

Further beta is q2/w
Q2 is heat absorbed from the sink
W is work done on the fridge by external source

Answer 8

Beta=3/2
And if i substitute it into
Beta=q2/w

Answer 9

We get q2=150J

Answer 10

@irishboy123 pls help

Answer 11

@pawanyadav