1.

When a piece of aluminium wire of finite length is drawn through a series of dies to reduce its diameter to half its original value, its resistance will become                                 [NCERT 1974; AIIMS 1997; MH CET 2000; UPSEAT 2001; CBSE PMT 2002]

A.                                                      Two times
B.                                      Four times
C.                    Eight times                    
D.            Sixteen times
Answer» E.


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