Physics · Thermal Properties of Matter
Why are alloys preferred over pure metals in electrical heating devices?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Because the resistivity of alloys is lower than that of their constituent metals.
- 2Because alloys undergo oxidation (combustion) easily at high temperatures.
- 3Because the elasticity of alloys is much higher than that of pure metals.
- 4Because the resistivity of alloys is generally higher than that of their constituent metals, and they do not oxidize easily at high temperatures.✓
Correct answer
Because the resistivity of alloys is generally higher than that of their constituent metals, and they do not oxidize easily at high temperatures.
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