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    • Question

      Ohm’s law obeyed in

      -
      A a metallic conductor Correct Answer Incorrect Answer
      B a semi conductor Correct Answer Incorrect Answer
      C an electron tube Correct Answer Incorrect Answer
      D in all of the above Correct Answer Incorrect Answer

      Solution

      There are, however, components of electrical circuits which do not obey Ohm's law; that is, their relationship between current and voltage (their I–V curve) is nonlinear (or non-ohmic).

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