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 = - K (dT/dx).

Question

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 = - K (dT/dx).

TuteeHUB · Accepted Answer

A is true but R is false

TuteeHUB · Answer

Both A and R are true and R is correct explanation of A

TuteeHUB · Answer

Both A and R are true but R is not correct explanation of A

TuteeHUB · Answer

A is false but R is true

1.	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 = - 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
Answer» C. A is true but R is false

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 = - K (dT/dx).

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