1.

 Masses of 3 wires of same metal are in the ratio 1 : 2 : 3 and their lengths are in the ratio 3 : 2 : 1.  The electrical resistances are in ratio                                                [CPMT 2002]

A.            1 : 4 : 9
B.                                      9 : 4 : 1
C.            1 : 2 : 3                                    
D.            27 : 6 : 1
Answer» E.


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