In an ideal LC oscillator q=Q₀cosωt. Starting from maximum positive charge at t=0, when do electric and magnetic energies first become equal?
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Question

In an ideal LC oscillator q=Q₀cosωt. Starting from maximum positive charge at t=0, when do electric and magnetic energies first become equal?

G1 Physics · Accepted Answer

Equality requires cos²ωt=sin²ωt, first occurring at ωt=π/4.