Physics-
General
Easy
Question
A wire 50 cm long and 1 mm2 in cross-section carries a current of 4 A when connected to a 2V battery. The resistivity of the wire is
- 2 × l0–7 m
- 1 × l0–6m
- 4 × l0–7m
- 1 × l0–7 m
The correct answer is: 1 × l0–6m
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