Question.5 The resistance wire of a 1200-W hair dryer is 80cm long and has a semi-circle (half circle) cross section of 0.3cm diameter. determine the rate of beat generation in the wire per unit volume, in W/cm, and the heat flux on the outer surface of the wire as a result of this heat generation Question. 6 The wall of a house, 7m wide and 6m high is made from 0.3m thick brick with k =0.6W/mK. The surface temperature on the inside of the wall is 16C and on the outside is 6C. Find the heat flux through the wall and the total heat loss througbit [3 marks]