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Which one of the following materials is non-ohmic?

A. Gold
B. Germanium
C. Copper
D. Silver


Sagot :

Final answer:

Germanium is a non-ohmic material that behaves differently than typical conductors when a voltage is applied.


Explanation:

Germanium is a non-ohmic material. Non-ohmic materials do not obey Ohm's Law, which states that the current through a conductor is directly proportional to the voltage applied across it. Germanium is a semiconductor with an intermediate resistivity, unlike typical metals or insulators. When a voltage is applied to germanium, its current-voltage characteristics differ from those of ohmic materials.


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