What is the mutual inductance of a two-loop system as shown with centre separation l
What is the mutual inductance of a two-loop system as shown with centre separation l
- A
$\frac{{{\mu _0}\pi {a^4}}}{{8{l^3}}}$
- B
$\frac{{{\mu _0}\pi {a^4}}}{{4{l^3}}}$
- C
$\frac{{{\mu _0}\pi {a^4}}}{{6{l^3}}}$
- D
$\frac{{{\mu _0}\pi {a^4}}}{{2{l^3}}}$
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- [AIPMT 2006]