KCET 2016 Physics Solved Paper

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Question : 31 of 60

Marks: +1, -0

A conducting wire carrying current is arranged as shown. The magnetic field at ‘O’

µ0I
12
[
1
R1
−
1
R2
]
µ0I
12
[
1
R1
+
1
R2
]
µ0I
6
[
1
R1
−
1
R2
]
µ0I
6
[
1
R1
+
1
R2
]

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