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Heating and Chemical Effect of Current — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsHeating and Chemical Effect of Current1 Mark
MCQ
According to Joule's law, if the potential difference across a conductor having a material of specific resistance remains constant, then the heat produced in the conductor is directly proportional to
  • A
    $\rho$
  • B
    $\rho^2$
  • C
    $\frac{1}{\sqrt{p}}$
  • ✓
    $\frac{1}{\rho}$
✓

Answer

Correct option: D.
$\frac{1}{\rho}$
$\frac{1}{\rho}$

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