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AP EAMCET20225 Jul 2022Evening ShiftPhysicsCurrent ElectricityActual

The quantities that don't change when a resistor connected to a battery is heated due to the current are

Options

  1. AB and C
  2. BD
  3. CA
  4. DA and D

Correct answer

B. D

Step-by-step solution

Resistance, resistivity and drift velocity varies with relaxation time which is dependent on temperature. Number of free electrons in a conductor remain invariant even if its temperature changes.

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