The amplitude of the charge oscillating in a circuit decreases exponentially as \(\mathrm{Q=Q_{0}e^{-Rt/2L},}\) where \({Q}_0\) is the charge at \({t}=0~\text{s}.\)The time at which charge amplitude decreases to \(0.50~{Q}_0\) is nearly:
\(\text{Given that} {R=1.5~\Omega,L=12~\text{mH},~ln(2)=0.693}\)
1. \(19.01~\text{ms}\)
2. \(11.09~\text{ms}\)
3. \(19.01~\text s\)
4. \(11.09~\text s\)
Subtopic:  RC Circuit (OLD NCERT) |
 70%
From NCERT
NEET - 2024
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