An electric circuit has an inductance $L=0.4 \mathrm{H}$, a resistance $R=250 \Omega$, and a capacitance $C$ $=5 \times 10^{-4}$ F. Find the equation for the current $i$. (Hint: $\frac{d^{2} i}{d t^{2}}+\frac{R d i}{L d t}+\frac{1}{C L} i=0$ )

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The Answer of An electric circuit has an inductance $L=0.4 \mathrm{H}$, a resistance $R=250 \Omega$, and a capacitance $C$ $=5 \times 10^{-4}$ F. Find the equation for the current $i$. (Hint: $\frac{d^{2} i}{d t^{2}}+\frac{R d i}{L d t}+\frac{1}{C L} i=0$ )

An Electric Circuit Has an Inductance L=0.4HL=0.4 \mathrm{H}L=0.4H , a Resistance R=250ΩR=250 \OmegaR=250Ω

An Electric Circuit Has an Inductance $L=0.4 \mathrm{H}$ , a Resistance $R=250 \Omega$