Copper strips of dimension 25 mm * 4 mm are used for strip earthing

Q.  What is the dimension of the copper strips used for the strip earthing?
- Published on 05 Oct 15

a. 25 mm * 4 mm
b. 25 mm * 3 mm
c. 30 mm * 4 mm
d. 30 mm * 3 mm

ANSWER: 25 mm * 4 mm

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