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538 ) 0.67 (120)(6.70) avg rms rms I A numerical integration c I A numerical integration P I R W P d pf S         Time 0s 5ms 10ms 15ms 20ms I(R1) AVG(I(L1)) 0A 4.0A 8.0A Current Average Current Iavg = 2 A for R = 48 ohms (16.700m,2.0030) 3-8) Using Eqs. 0.45 m o m o rms o o V a I A I V I R V R V V V V V V V N N N b I I A N                      3-3), ,, , 2, , 1 1 1 1 1 ) 2 2 / / 2 12 2 2 / 22 ) cos( ) cos(0) 1 1 1 0 cos( ) 2 2 s rms m m rms R rms s rms s rms rms m R rms m ms rms rms m V V VP P a pf I V V S V I R V R V R pf V VV I R b Displacement pf VV I pf DF DF R R                                        3-4) Using Eq.