The electron relaxation time of metal A is 2.7 × 10-4 s and that B i – McqOptions

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1.	The electron relaxation time of metal A is 2.7 × 10-4 s and that B is 1.35 × 10-4 s. The ratio of resistivity of B to resistivity of A will be:
A.	4
B.	2
C.	0.5
D.	0.25
Answer» C. 0.5

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