NEET Physics Current Electricity Questions Solved


A strip of copper and another of germanium are cooled from room temperature to 80 K. The resistance of 

(1) Each of these increases

(2) Each of these decreases

(3) Copper strip increases and that of germanium decreases

(4) Copper strip decreases and that of germanium increases

(4) For conductors, resistance ∝ Temperature and for semi-conductor, resistance ∝ 1Temperature

Difficulty Level:

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