Use Norton’s Theorem to find the followings for the circuit having the load resistor (6 kΩ) (i) Find RN. (ii) Find Isc to compute IN. (iii)Find VTh and RTh to compute IN. (iv)Draw the Norton’s equivalent circuit. (v) Find out the voltage across the load resistor (6 kΩ).

Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.