A pair of adjacent coil has a mutual inductance of $1.5 H$ . If the current in one coil changes from $0$ to $20 A$ in $0.5$ sec, what is the change of flux linkage with the other coil?

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Solution

We know that
$e = \frac{d ϕ}{d t} = M \frac{d i}{d t}$
Therefore,
$d ϕ = M d i = 1.5 \times (20 - 0) = 30 W b$

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A pair of adjacent coil has a mutual inductance of 1.5H. If the current in one coil changes from 0 to 20A in 0.5 sec, what is the change of flux linkage with the other coil?

We know that e=dϕdt=MdidtTherefore, dϕ=Mdi=1.5×(20−0)=30Wb

A pair of adjacent coil has a mutual inductance of $1.5 H$ . If the current in one coil changes from $0$ to $20 A$ in $0.5$ sec, what is the change of flux linkage with the other coil?

We know that
$e = \frac{d ϕ}{d t} = M \frac{d i}{d t}$
Therefore,
$d ϕ = M d i = 1.5 \times (20 - 0) = 30 W b$