If τ is relaxation time and τc is average time between collisions, t – McqOptions

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1.	If τ is relaxation time and τc is average time between collisions, then in an isotropic metal
A.	τ = τc
B.	τ < τc
C.	τc < τ
D.	T = 0.01 τe
Answer» B. τ < τc

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