Current Electricity and Electrical InstrumentEasy
Question
Which of the following wires of the same material will have higher resistance :-
Options
A.radius is 1 mm and the length is 40 m.
B.radius is 2 mm and the length is 40 m.
C.radius is 1 mm and the length is 80 m.
D.radius is 2 mm and the length is 80 m.
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