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Electricity — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceElectricity1 Mark
MCQ
The resistivity does not change if:
  • A
    The material is changed.
  • B
    The temperature is changed.
  • ✓
    The shape of the resistor is changed.
  • D
    Both material and temperature are changed.
✓

Answer

Correct option: C.
The shape of the resistor is changed.
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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