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Potential difference between two points of a wire carrying 2 ampere current is 0.1 volt. The resistance of the wire is:-

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  1. 0.5 ohm
  2. 0.05 ohm 
  3. 0.25 ohm 
  4. 5 ohm 

Answer (Detailed Solution Below)

Option 2 : 0.05 ohm 
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Detailed Solution

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Calculation:

Given:

Current, I = 2 A

Potential Difference, V = 0.1 V

Using the formula: R = V / I

⇒ R = 0.1 / 2

⇒ R = 0.05 Ω

∴ Resistance of the wire = 0.05 Ω

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