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Question 18Asked in RRB JE CBT-1, 19 Feb 2026, Shift 3 (4:30 PM)

An electric iron uses a heating element made of an alloy instead of pure metal. Which

An electric iron uses a heating element made of an alloy instead of pure metal. Which property of alloys justifies this choice?
  1. AAlloys have higher resistivity and do not oxidise readily at high temperatures
  2. BAlloys are cheaper
  3. CAlloys are better conductors
  4. DAlloys have lower resistivity
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Correct answer: (A) Alloys have higher resistivity and do not oxidise readily at high temperatures

From RRB JE CBT-1 PYQ 19 Feb 2026, Shift 3 (4:30 PM)

This is question 18 of RRB JE CBT-1 PYQ 19 Feb 2026, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.