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  • A Circuit contains two inductors of self inductance and <img alt="\mathrm{L}_2" src="https://entr

A Circuit contains two inductors of self inductance \mathrm{L}_1 and \mathrm{L}_2 in series. If M is the mutual inductance, then the effective inductance of the circuit shown will be

Option: 1

\mathrm{\mathrm{L}_1+\mathrm{L}_2-2\mathrm{M}}


Option: 2

\mathrm{\mathrm{L}_1+\mathrm{L}_2}


Option: 3

\mathrm{\mathrm{L}_1+\mathrm{L}_2+\mathrm{M}}


Option: 4

\mathrm{\mathrm{L}_1+\mathrm{L}_2+2\mathrm{M}}


Answers (1)

best_answer

when inductances are connected like this in series, then

\mathrm{\mathrm{L}=\mathrm{L}_1+\mathrm{L}_2+2 \mathrm{M} \text {. }}

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qnaprep

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