Question
Reason (R): If dT/dx is temperature gradient, Q is heat flow density and K is thermal conductivity, then Q = - K (dT/dx).
a.
Both A and R are true and R is correct explanation of A
b.
Both A and R are true but R is not correct explanation of A
c.
A is true but R is false
d.
A is false but R is true
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Q. Assertion (A): Metals are better heat conductors than insulators. Reason (R): If dT/dx is temperature gradient, Q is heat flow density and K is thermal conductivity, then Q =...
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