Home
Class 11
PHYSICS
When the temperature difference between ...

When the temperature difference between the source and the sink increases, the efficiency of the heat engine 

A

increases

B

decreases

C

is not affected

D

may increase or decrease depending upon the nature of the working substance.

Text Solution

Verified by Experts

The correct Answer is:
A
`eta = (T_(1) - T_(2))/(T_(1))`.
As `T_(1) - T_(2)` increases, efficiency `(eta)` of heat engine increases.
Promotional Banner

Similar Questions

Explore conceptually related problems

What is the difference between a fuse wire and a heating wire?

When the separation between two charges is increased, the electric potential energy of the system

When the temperature is increased, surface tension of water

Following number lines shows the temperature in degree celsius (^@C) at different places on a particular day. What is the temperature difference between the hottest and the coldest places among the above?

What is the difference between coherent and incoherent sources of light?

When temperature of metal increases, does the resistance increases or decreases?

What is the difference between rate of cooling and rate of loss of heat?

Write the difference between physisorption and chemisorption with respect to the following : Temperature dependence.

Take this graph drawn by a doctor recording the temperature of Renu at different times and answer the given questions. When did she have the least temperature?