A nichrome wire of radius 0.321 mm and its length 2 m and 10 V potential difference across it. Find the current through it. (resistivity =15×10−6ohm.m )
2.2A
5.2A
1.08A
3.2A
A
5.2A
B
3.2A
C
2.2A
D
1.08A
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