In the shown circuit, let k=i₁/i₂, where i₁ is the battery current at t=0 and i₂ is the steady
-state battery current at t→∞. Find 100k.

Question

In the shown circuit, let k=i₁/i₂, where i₁ is the battery current at t=0 and i₂ is the steady -state battery current at t→∞. Find 100k.

G1 Physics · Accepted Answer

Use Xₗ=ωL, X꜀=1/(ωC), Z=√[R²+(Xₗ-X꜀)²] and Iᵣₘₛ=Vᵣₘₛ/Z. The circuit condition gives 125.