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In an oscillating LC circuit the maximum...

In an oscillating LC circuit the maximum charge on the capacitor is Q. The charges on the capacitor when the energy is stored equally between the electric and magnetic field is

A

`Q//2`

B

`Q//sqrt3`

C

`Q//sqrt2`

D

`Q`

Text Solution

Verified by Experts

`(q ^(2))/( 2C) + (1)/(2) Li ^(2) = (Q ^(2))/( 2C)`
but `(1)/(2) LI ^(2) = ( q ^(2))/(2C)`
So `((q ^(2))/( 2C)) = (Q ^(2))/( 2C) implies q = (Q)/( sqrt2)`
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Knowledge Check

  • In an oscillating LC circuit the maximum charge on the capacitor is Q. The charge on the capacitor when the energy is stored equally between the electric and magnetic field is

    A
    `Q/2`
    B
    `Q/(sqrt(3))`
    C
    `Q/(sqrt(2))`
    D
    `Q`

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    A
    positive charge
    B
    both in positive and negative charge
    C
    the electric field between the plates
    D
    the edges of the capacitor plates

  • In a charged capacitor, the energy is stored in

    A
    the negative charges
    B
    the positive charges
    C
    the field between the plates
    D
    both 'a' and 'b'

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