Efficiency of a Carnot engine working between temperatures T‚Äö√á√Ö and T‚Äö√á√á (T‚Äö√á√Ö < T‚Äö√á√á) is?

(T‚Äö√á√á - T‚Äö√á√Ö)/T‚Äö√á√Ö

(T‚Äö√á√á - T‚Äö√á√Ö)/T‚Äö√á√á

(T‚Äö√á√Ö - T‚Äö√á√á)/T‚Äö√á√á

(T‚Äö√á√Ö - T‚Äö√á√á)/T‚Äö√á√Ö

Efficiency of a Carnot engine working between temperatures T‚Äö√

1.	Efficiency of a Carnot engine working between temperatures T‚Äö√á√Ö and T‚Äö√á√á (T‚Äö√á√Ö < T‚Äö√á√á) is?
A.	(T‚Äö√á√á - T‚Äö√á√Ö)/T‚Äö√á√á
B.	(T‚Äö√á√á - T‚Äö√á√Ö)/T‚Äö√á√Ö
C.	(T‚Äö√á√Ö - T‚Äö√á√á)/T‚Äö√á√á
D.	(T‚Äö√á√Ö - T‚Äö√á√á)/T‚Äö√á√Ö
Answer» B. (T‚Äö√á√á - T‚Äö√á√Ö)/T‚Äö√á√Ö