Multiple choice

The property of a material, when it opposes or limits the flow of electric current through it is called

  1. potential difference

  2. electric resistance

  3. conductivity

  4. power
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B Correct answer
Explanation

Electric resistance is the property of materials that opposes or limits current flow. Conductivity is the inverse (ability to conduct). Potential difference drives current, and power is the rate of energy transfer, but resistance specifically limits current.

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