The current I in a particular series LCR circuit obeys the following differential equation,\(4\frac{d^2I}{dt^2}+4\frac{dI}{dt}+1=0\). Choose the correct option(s):
1
The time constant is\(\tau =16 \ s\)
2
The current attains the maximum at \(t=2\) s
3
The current is given by\(I(t)=(A+Bt)\exp(-\frac{t}{2})\)
4
The current attains the maximum at t= 3 s