Two conducting circular loops of radii $R_1$ and $R_2$ are placed in the same plane with their centre coinciding. If $R_1 >> R_2$ the mutual inductance $M$ between them will be directly proportional to
Two conducting circular loops of radii $R_1$ and $R_2$ are placed in the same plane with their centre coinciding. If $R_1 >> R_2$ the mutual inductance $M$ between them will be directly proportional to
- A
$\frac{{{R_1}}}{{{R_2}}}$
- B
$\frac{{{R_2}}}{{{R_1}}}$
- C
$\frac{{{R_1^2}}}{{{R_2}}}$
- D
$\frac{{{R_2^2}}}{{{R_1}}}$
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