Two conductors A and B each of a cross section area 5 cm square connected in series variation of a temperature along the length in centimetre shown in the figure thermal conductivity of a is 200 joule per metre second degree Celsius and heat current in the conductor is 0.173 Joule per second if the thermal conductivity of a b is ke into 50 root 3 e joule per metre per second per degree Celsius find the value of k
