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             Classical Linear Passive Systems That Magnify*

         System                                                          Magnification

• Lever                                                              M = r₁/r₂
• Transformer                                                   M = E₂/E₁ = N
• Rest of the "simple machines"                    R = F₂/F₁
• Lens                                                               M = -r₁/r₂
• Telescope                                                     M = -f₁/f₂
• Resonant Circuit                                           M = |E_L| / |E_g| = |E_c| / |E_g| ~ Q
• Lumped Tuned Coils (Tesla Coils ~ 1891)  M=never mind
• Transmission Line Resonators (TC's > 1894)   V_max = S V_min    S approx= 1/al
• Cavity Resonators                                        M = V_cavity / C_probe/loop
• Ring Power Multipliers                                 M = |V₄^-|² / |V₁⁺|² ~ 1/q²
• Light Recycling                                              M = P_ring / P_gen

*shamelessly copied from Tesla And The Magnifying Transmitter A Popular Study For Engineers by K. L. Corum and J. F. Corum, Ph.D. available from:  http://www.arcsandsparks.com