Answer:
Joule-Thomson coefficient for an ideal gas:
Explanation:
Joule-Thomson coefficient can be defined as change of temperature with respect to pressure at constant enthalpy.
Thus,
Also,
Also, is defined as:
Acoording to defination, the ethalpy is constant which means
For an ideal gas,
So,
Thus, ≠0. So,
Answer: It would be B
Explanation: a magnet moves from north to south
due to pole attraction is more in the north region