The high thermal conductivity of metal is due to free electrons. … - Vidyadip

MCQ

The high thermal conductivity of metal is due to free electrons. The relevant electron property is

A
Its being charged.
B
Its high average energy.
✓
Its high average thermal speed.
D
Its low volume.

✓

Answer

Correct option: C.

Its high average thermal speed.

The average thermal speed of electron is high. This gives high thermal conductivity to metals.

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