Question

at a moment (t=0) when charge on capacitor c1 is zero, the switch is closed. if i0 be the current through inductor at that instant, for t>0, find the maximum charge on c1

Answer 1

Answer:

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Explanation:

Since at t=0, charge is maximum (=q0).

Therefore current will be zero.

21Li2=31(21Cq2)

or i=3LCq=3qω

From the expression i=ωq02−q2

We have, 3qω=ωq02−q2

or q=23q0

Since at t=0, charge in maximum or q0 so we can write

q=