EAMCET Engineering 2008 Solved Paper

Section: Physics

Question : 35 of 160

Marks: +1, -0

Two concentric coils of 10 turns each are placed in the same plane. Their radii are 20‌cm and 40‌cm and carry 0.2 and 0.3A. current respectively in opposite directions. The magnetic induction (in T) at the centre is

‌
3
4
µ0
‌
5
4
µ0
‌
7
4
µ0
‌
9
4
µ0

Validate

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