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Question
A coil of N=100 turns carries a current I=5 A and creates a magnetic flux φ=10−5Tm−2 per turn. The value of its inductance L will be
A coil of N=100 turns carries a current I=5 A and creates a magnetic flux φ=10−5Tm−2 per turn. The value of its inductance L will be
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Solution
The correct option is D 0.20mH
Nϕ=LI
N(BA)=LI
100(10−5)=L(5)
L=1005×10−5=10−35=0.2mH
Nϕ=LI
N(BA)=LI
100(10−5)=L(5)
L=1005×10−5=10−35=0.2mH
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