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      <p>Constitutive laws for resistor,inductor andcapacitor</p>
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      <p>Check for consistency of physical units</p>
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      <p>Kirchhoff's voltagelaw</p>
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      <p>Initial condition for capacitor voltage</p>
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      <p>Initial condition for current</p>
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      <p>Solving the system of differential equationsand assignment of the solution to the dependent variables.</p>
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