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The temperature of germanium is decreased from room temperature to 100 K, the resistance of germanium |
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a) |
Decreases |
b) |
Increases |
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c) |
Unaffected |
d) |
Depends on external conditions |
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The temperature of germanium is decreased from room temperature to 100 K, the resistance of germanium |
|||
|
a) |
Decreases |
b) |
Increases |
|
c) |
Unaffected |
d) |
Depends on external conditions |
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(b) Germanium is a semiconductor and possesses negative temperature coefficient. Therefore, when temperature of germanium is decreased its resistance increases. |