The magnetic flux linked with a coil changes by 2×10−3 wb, When current in the neighbouring coil changes by 0.01 A. The coefficient of mutual induction of the coils is
A
2 H
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B
20 H
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C
0.2 H
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D
200 H
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Solution
The correct option is C 0.2 H M=δϕδi=2×10−30.01 M=0.2H