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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The resistance of a wire of iron is 10 ohm and temperature coefficient of resistivity is 5 × 10^−3/.∘C, At 20∘ C it carries 30 mA of current. Keeping constant potential difference between its ends. The temperature of the wire is raised to 120∘C. The current in mA that flows in the wire now is.

The resistance of a wire of iron is 10 ohm and temperature coefficient of resistivity is 5 × 10^−3/.∘C, At 20∘ C it carries 30 mA of current. Keeping constant potential difference between its ends. The temperature of the wire is raised to 120∘C. The current in mA that flows in the wire now is.

At 20∘ C it carries 30 mA of current. Keeping constant potential difference between its ends. The temperature of the wire is raised to 120∘C. The current in mA that flows in the wire now is. The resistance of a wire of iron is 10 ohm and temperature coefficient of resistivity is 5 × 10^−3/.∘C