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ECE · Q210

Materials And Components

Engineering and GATE · ECE · question 210

Q210

The ratio k T (where k is the thermal conductivity, σ is the electrical conductivity and T is the temperature) for metals

The ratio (where k is the thermal conductivity, σ is the electrical conductivity and T is the temperature) for metals
A.
is strongly dependent on the number density of the charge carriers
Answer
B.
is independent of the temperature T
C.
varies widely from one metal to another
D.
is approximately independent of the particular metal

Answer: Option A

Solution

Answer: Option A
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