Assertion (A): Metals are better heat conductors than insulators.Reason (R): If 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 AB-Both A and R are true but R is not correct explanation of AC-A is true but R is falseD-A is false but R is true-B-Both A and R are true but R is not correct explanation of A

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Assertion (A):  Metals are better heat conductors than insulators.Reason (R):  If  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 AB-Both A and R are true but R is not correct explanation of AC-A is true but R is falseD-A is false but R is true-B-Both A and R are true but R is not correct explanation of A

APTITUDE CRACK · Accepted Answer

B Both A and R are true but R is not correct explanation of A No answer description is available.

Materials and Components

Assertion (A): Metals are better heat conductors than insulators.Reason (R): If is temperature gradient, Q is heat flow density and K is thermal conductivity, then Q = - K (dT/dx).

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Materials and Components

Assertion (A): Metals are better heat conductors than insulators.Reason (R): If is temperature gradient, Q is heat flow density and K is thermal conductivity, then Q = - K (dT/dx).

Solution

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