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2300HW10 - ECE 2300 CIRCUIT ANALYSIS HOMEWORK#10 10.1 Find...

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ECE 2300 – CIRCUIT ANALYSIS HOMEWORK #10 10.1 Find the rms value of the periodic voltage v(t) . v(t) , [V] t,[s] 2 -2 2 4 6 8 10.2 Three loads in the figure below are connected in parallel across a 110[V rms ], 60[Hz] sinusoidal voltage source as shown in the figure. The circuit is in the steady-state. Load 1 absorbs 250[W] and 500[VAR]. Load 2 absorbs (1850 –40 ° 29 [VA]. Load 3 has an impedance of 3-10j[ ]. Find the expression for i X (t) . Assume that v S (t) is a cosine function with a phase of zero. + - v S (t) Load 1 i X (t) Load 2 Load 3 10.3 The circuit shown below is operating in steady state. The load absorbs (5070 -34 ° )[VA]. The voltage source delivers 7500[W]. Find all the possible values for L A . rad ( ) 400cos(100 38 )[V] s S v t t = + ° R 1 = 3.3[ ] + - v S (t) L A Load 10.1
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10.4 The circuit given below operates in steady-state. a) Draw the circuit given in the phasor domain. b) Find the values of L X that will make the load have a unity power factor, that is, a power factor equal to 1.
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