Physics · 2022
JEE Main · 26 June 2022, Shift 2 · Q43
Two coils of self inductance L_1 and L_2 are connected in series combination having mutual inductance of the coils as M. The equivalent self…
Two coils of self inductance $\displaystyle L_1$ and $\displaystyle L_2$ are connected in series combination having mutual inductance of the coils as M . The equivalent self inductance of the combination will be :
Official answer
(4)
$\displaystyle L_1+L_2-2 M$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.