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Grade 11IIT JEE Entrance Exam

For protecting a sensitive equipment from the external electric arc, it should be.

(a)Wrapped with insulation around it when a current is passing through It

(b) Placed inside an iron can

(c)Surrounded with fine copper sheet

(d) Placed inside an aluminium can

Profile image of Simran Bhatia
12 Years agoGrade 11
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1 Answer

Profile image of Aditi Chauhan
12 Years ago

(b)

The iron can produces a magnetic screening for the equipment as lines of magnetic force can not enter iron enclosure.

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