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Question

Consider a copper cylinder at room temperature. What happens to the resistivity of a copper cylinder as its temperature increases?

The correct answer is

Increases

The resistivity of a copper cylinder increases as its temperature increases.

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Important Questions from Current, Resistance and Electricity

  1. An electric heater draws a current of 10 A when connected to 220 V output terminal. Its resistance is

  2. What is the relation between Volt(V) and Joule (J)?

  3. Potential Difference is

  4. The alternating current cannot be used for

  5. If a current of 18.2 Ampere per second flows through a copper conductor and the average collision time of electrons is 0.25 μs, then the value of conductivity of the copper conductor is ______.

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