In case when both the surfaces of plane wall are at different temperature, we get an expression i.e.T MAX T W2 /T W1 TW2 = (B + 1)2/4B

In case when both the surfaces of plane wall are at different temperat

1.	In case when both the surfaces of plane wall are at different temperature, we get an expression i.e. T _MAX T _W2/T _W1 T_W2= (B + 1)²/4B
A.	nWhat is the value of B?
B.	(q <sub>g</sub>) ( )<sup>2</sup>/2k (T <sub>W1 </sub> T<sub>W2</sub>)
C.	(q <sub>g</sub>) ( )<sup>3</sup>/3k (T <sub>W1 </sub> T<sub>W2</sub>)
D.	(q <sub>g</sub>) ( )<sup>4</sup>/4k (T <sub>W1 </sub> T<sub>W2</sub>)
E.	(q <sub>g</sub>) ( )<sup>5</sup>/5k (T <sub>W1 </sub> T<sub>W2</sub>)
Answer» B. (q <sub>g</sub>) ( )<sup>2</sup>/2k (T <sub>W1 </sub> T<sub>W2</sub>)