Question
a.
quantity of heat flowing in one second through a slab of the material of area 1 cm² and thickness 1 cm when its faces differ in temperature by 1° C
b.
quantity of heat flowing in one second through one cm of material when opposite faces are maintained at a temperature difference of 1° C
c.
heat conducted in unit time across unit area through unit thickness when a temperature difference of unity is maintained between opposite faces
d.
all of the above
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