In some cases, internal heat generation is an important factor to consider in heat conduction. What is the equation that describes the rate of heat transfer through a rod of material with internal heat generation, where Qg is the rate of heat generation per unit volume?

a$)$ Q $=$T$/$KAL $+$ Qg

b$)$ Q $=$ A$$T$/$KL $+$ Qg

c$)$ Q $=$ KAL$$T $+$ Qg

d$)$ Q $=$ KL$$T$/$A $+$ Qg

e$)$ Q $=$T$/$KL $+$ Qg