A metal has a vacancy concentration of 2 x 10^(-6) at 300K. On reducing the temperature, the vacancy concentration reduces to 2 x 10^(-8). What is the new temperature? ("A" denotes "to the power of") Select one: O a. 312 K O b. 145 K O C. 432 K O d. 108 K O e. 222 K

Elements Of Electromagnetics
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A metal has a vacancy concentration of 2 x 10^(-6) at 300K. On reducing the temperature, the vacancy concentration reduces to 2 x 10^(-8). What is the new
temperature? ("^" denotes "to the power of")
Select one:
O a.
O b.
312 K
O d.
145 K
O C. 432 K
108 K
O e. 222 K
Transcribed Image Text:A metal has a vacancy concentration of 2 x 10^(-6) at 300K. On reducing the temperature, the vacancy concentration reduces to 2 x 10^(-8). What is the new temperature? ("^" denotes "to the power of") Select one: O a. O b. 312 K O d. 145 K O C. 432 K 108 K O e. 222 K
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