A metal sheet of thickness allows a steady heat current of

PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

A metal sheet of thickness

1\,\text{cm}

allows a steady heat current of

J

. If the thickness of the same sheet is increased to

2\,\text{cm}

while everything else remains unchanged, the new heat current will be (a)

2J

(b)

J

(c)

\dfrac{J}{2}

(d)

\dfrac{J}{4}