A.10% B.2.5% C.2% D.10.4%
A.V=0.707Vm=1.11Vave B.V=0.5Vm=1.57Vave C.V=0.575Vm=1.15Vave D.V=0.57Vm=1.1Vave
A.10dB B.20dB C.19dB D.22.2dB