The figure below shows a 6 A current flowing in a portion of a circular loop. Find H at point (0, 0, 5) if ρ1 = 2, ρ2 = 4 and Φo = 45o . • Show all the necessary steps in details and make your solution clear and tidy.

Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.