KEAM 2010 Physics and Chemistry Paper

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Question : 8 of 119

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Two wires with currents 2 A and 1 A are enclosed in a circular loop. Another wire with current 3 A is situated outside the loop as shown. Then ∮

→

B

⋅

→

dI

around the loop is

µ0
3µ0
6µ0
2µ0
0

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