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What is non ohmic device?

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प्रश्न

What is non ohmic device?

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उत्तर

Materials or devices that do not follow Ohm’s law are said to be non-ohmic.

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अध्याय 2: Current Electricity - Evaluation [पृष्ठ १२०]

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सामाचीर कलवी Physics - Volume 1 and 2 [English] Class 12 TN Board
अध्याय 2 Current Electricity
Evaluation | Q II. 6. | पृष्ठ १२०

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In an experiment of verification of Ohm’s law following observations are obtained.

Potential difference V (in volt)

0.5 1.0 1.5 2.0 2.5
current I (in ampere) 0.2 0.4 0.6 0.8 1.0

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  2. the current I when the potential difference V is 0.75 V,
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Current (I) 2 A 3 A 4 A

Study the table.

  1. State whether the conductor used is ohmic or non-ohmic.
  2. Justify your answer.
  3. State Ohm's law.

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