The diffusivity of copper in copper increases by how many times when t – McqOptions

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1.	The diffusivity of copper in copper increases by how many times when the temperature is increased from 500 ¬¨¬®‚Äö√†√ª C to 1000 ¬¨¬®‚Äö√†√ªC?$
A.	200000
B.	100000
C.	150000
D.	170000
Answer» B. 100000

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