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  • Please help! The equivalent inductance between points P and Q in the figure is

The equivalent inductance between points P and Q in the figure is

  • Option 1)

    9 H

  • Option 2)

    \left (\frac{24}{13} \right )H

  • Option 3)

    \left ( \frac{12}{13} \right )H

  • Option 4)

    12 H

 

Answers (1)

best_answer

Using

Self Inductance -

An emf is induced in the coil or the circuit which oppose the change that causes it. Which is also known back  emf.

- wherein

 

We can remove the 8H inductor as the circuit is balanced.

\therefore L_{eq} =\left ( \frac{6\times 6}{6+6}+6 \right )H

    L_{eq} = 9\ H 


Option 1)

9 H

This option is correct

Option 2)

\left (\frac{24}{13} \right )H

This option is incorrect

Option 3)

\left ( \frac{12}{13} \right )H

This option is incorrect

Option 4)

12 H

This option is incorrect

Posted by

divya.saini

View full answer

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