Physics · Heating Effect of Electric Current
A heating element of an electric heater is made of a material characterized by high resistivity and a high melting point. Which of the following electrical properties is most crucial for its fundamental function of generating heat via Joule heating?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1High modulus of elasticity
- 2High electrical resistivity✓
- 3High thermal conductivity
- 4Low specific heat capacity
Correct answer
High electrical resistivity
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