E
Editor
Sep 18, 2022
The impurity in the germanium is usually in the ratio of:
Difficulty: Easy
A:
$1:10^{4}$
B:
$1:10^{8}$
C:
$1:10^{12}$
D:
$1:10^{16}$
ID: 63273db7ca83163ac3a0cfe7