Q.
The quantity of heat which crosses-unit area of a metal plate during conduction depends upon:
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a
the density of the metal
b
the temperature gradient perpendicular to the area
c
the temperature to which the metal is heated
d
the area of the metal plate
answer is B.
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Detailed Solution
Qt A =k(θ1-θ2)x=kdθdxQtAαdθdx
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