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3. current electricity — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics3. current electricity1 Mark
MCQ
In a sensitive meter bridge apparatus the bridge wire should possess
  • ✓
    high resistivity and low temperature coefficient
  • B
    low resistivity and high temperature coefficient
  • C
    low resistivity and low temperature coefficient
  • D
    high resistivity and high temperature coefficient
✓

Answer

Correct option: A.
high resistivity and low temperature coefficient
a
Bridge wire in a sensitive meter bridge wire should be of high resistivity and low temperature coefficient 

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