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JEE Main2012PhysicsCurrent ElectricityActual

In a sensitive meter bridge apparatus the bridge wire should possess

Options

  1. Ahigh resistivity and low temperature coefficient.
  2. Blow resistivity and high temperature coefficient.
  3. Clow resistivity and low temperature coefficient.
  4. Dhigh resistivity and high temperature coefficient.

Correct answer

A. high resistivity and low temperature coefficient.

Step-by-step solution

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

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