Question

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

Answer 1

answer; A

explanation;For protecting a sensitive equipment from the

For protecting a sensitive equipment from theexternal electric arc, it should be placed inside a can from ferromagnetic because there are nonmagnetic lines of force inside it ,iron is a ferromagnetic substance hence,it is used to keep the sensitive equipment ..

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