An ideal LC circuit has L=75 mH, C=1.2 µF and maximum capacitor charge Q₀=2.7 µC. Find the maximum current in mA.
Physics · Electromagnetic Induction
JEE Mains 2023

Question

An ideal LC circuit has L=75 mH, C=1.2 µF and maximum capacitor charge Q₀=2.7 µC. Find the maximum current in mA.

G1 Physics · Accepted Answer

For ideal LC oscillation, Iₘₐₓ=Q₀/√(LC). With L=75 mH, C=1.2 µF and Q₀=2.7 µC, Iₘₐₓ=9 mA.