A magnet can pull an iron nail toward itself. The maximum distance fro – McqOptions

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1.	A magnet can pull an iron nail toward itself. The maximum distance from which the magnet (shown in the given figure) can pull the nail is labelled as d.On which surface will this distance d be relatively large?
A.	Cemented surface
B.	Carpeted surface
C.	Sandy surface
D.	Oily surface
Answer» E.

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