$A$ current $I$ produces a magnetic flux $\phi$ per turn in a coil of $n$ turns. The self-inductance of the coil is $L$. The relation between them is:
- A$nLI = \phi$
- B$\frac{nL}{I} = \phi$
- C$\frac{LI}{n^2} = \phi$
- D$\frac{LI}{n} = \phi$
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