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    Yusf Posts: 198, Reputation: 3
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    Dec 15, 2016, 06:05 PM
    Mutual inductance
    Shouldn't there be mutual inductance only when current changes? The current is not changing here. Then how can we have mutual inductance.
    Even if current how can I calculate mutual inductance without knowing the height of the triangle?
    But on other thoughts, m12 = m21. But the triangular loop can not induce anything in the wire. Because it has 0 area and 0 flux. But if current changes, the wire can induce current in the triangular loop. Then how does m12=m21 stand in this case?
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