Version 4
SHEET 1 1832 680
WIRE 288 16 16 16
WIRE 16 64 16 16
WIRE 288 128 288 16
WIRE 16 176 16 144
WIRE 16 288 16 256
WIRE 16 432 16 368
WIRE 288 432 288 208
WIRE 288 432 16 432
WIRE 288 464 288 432
FLAG 288 464 0
FLAG 288 16 a
SYMBOL res 272 112 R0
SYMATTR InstName RL
SYMATTR Value 100
SYMBOL voltage 16 48 R0
WINDOW 3 33 85 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 10 50)
SYMBOL voltage 16 160 R0
WINDOW 3 24 44 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 0
SYMBOL voltage 16 272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 15 50)
TEXT -136 104 Left 2 ;10V 50Hz
TEXT -144 224 Left 2 ;15V 100Hz
TEXT -136 336 Left 2 ;15V 50Hz
TEXT -146 488 Left 2 !.tran 0 100ms 0
TEXT 536 104 Left 2 ;PRL(1) = 500mW
TEXT 536 224 Left 2 ;PRL(2) = 1.12W
TEXT 776 152 Left 2 ;PRL(1 & 2) = 1.62W
TEXT 536 328 Left 2 ;PRL(3) = 1.12W
TEXT 776 272 Left 2 ;PRL(1 & 3) = 3.12W
TEXT 776 304 Left 2 ;IRL(1 & 3) = 176.75mArms
TEXT 536 360 Left 2 ;IRL(3) = 106mArms
TEXT 536 256 Left 2 ;IRL(2) = 106mArms
TEXT 536 136 Left 2 ;IRL(1) = 70.7mArms
TEXT 784 184 Left 2 ;When there is no same freq, total power = sum of power at each acting alone.
TEXT 776 336 Left 2 ;When at least one pair has the same freq, total power must be calculated from traditional way.
TEXT 776 376 Left 2 ;That is, P = V*I or P = I^2 R, in this case.