MCQ
Ohm's law is true
  • For metallic conductors at low temperature
  • B
    For metallic conductors at high temperature
  • C
    For electrolytes when current passes through them
  • D
    For diode when current flows

Answer

Correct option: A.
For metallic conductors at low temperature
a
(a) Because with rise in temperature resistance of conductor increase, so graph between $V$ and $i$ becomes non linear.

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