TS EAMCET 5 May 2018 Shift 2 Solved Paper

In an LCR circuit, when

R2

4L2

=

1

LC

The charge decays exponentially and no oscillation occur.
When

R2

4L2

>

1

LC

, then also charge decays exponentially and no oscillations occurs.
But when

R2

4L2

<

1

LC

then, oscillations occur with frequency.
f=

1

2π

√

1

LC

−

R2

4L2