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Electricity — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceElectricity1 Mark
Question
The resistivity does not change if:
  1. The material is changed.
  2. The temperature is changed.
  3. The shape of the resistor is changed.
  4. Both material and temperature are changed.
✓

Answer

  1. The shape of the resistor is changed.

Explanation: Resistivity of material does not depend on its dimensions and shape. However, resistivity depends upon the temperature and the nature of material.

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