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  • Can someone explain In LCR circuit capacitance is changed from C to 4C. For same frequency inductor should be changed from L to

In LCR circuit capacitance is changed from C to 4C. For same frequency inductor should be changed from L to

  • Option 1)

    2L

  • Option 2)

    \frac{L}{}2

  • Option 3)

    \frac{L}{}4

  • Option 4)

    4L

 

Answers (2)

best_answer

\\*T = 2\pi\sqrt{LC} \Rightarrow L\; \alpha \frac{1}{C} \\* \frac{L'}{L} = \frac{C}{C'} = \frac{C}{4C} \Rightarrow L' = \frac{L}{4}

 

SHM of LC circuit -

T = 2\pi \sqrt{LC}

L = Coefficent of Self Inductance

C= Capacity of Capacitor

- wherein

L\rightarrow Inductor

C\rightarrow Capacitor

* Formula

 

 


Option 1)

2L

This is incorrect.

Option 2)

\frac{L}{}2

This is incorrect.

Option 3)

\frac{L}{}4

This is correct.

Option 4)

4L

This is incorrect.

Posted by

divya.saini

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JEE Main high-scoring chapters and topics

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L/4

Posted by

Kevin Patel

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