Statement (I): According to IS 3043:1987, the minimum diameter of a copper rod used in grounding systems is 16 mm.
Statement (II): Larger diameter rods provide lower resistance and better grounding.
1
Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I).
2
Both Statement (I) and Statement (II) are individually true, but Statement (II) is not the correct explanation of Statement (I).
3
Statement (I) is true, but Statement (II) is false.
4
Statement (I) is false, but Statement (II) is true.