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At t  < 0, the capacitor is charged and the switch is opened. At t = 0 the switch is closed. The shortest time T at which the charge on the capacitor will be zero is given by:

 

Option 1 -

π L C

Option 2 -

3 2 π L C

Option 3 -

π 2 L C

Option 4 -

2 π L C

0 2 Views | Posted 3 weeks ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    3 weeks ago
    Correct Option - 3


    Detailed Solution:

    The time period of LC oscillations,

      T = 2 π L C          

    The time at which charge on the capacitor will be zero is  T 4 .  

    So t    = π 2 L C

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