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Calculate the instantaneous power and average power absorbed by the passive linear network of Fig. 11.1 if
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Fundamentals of Electric Circuits
- HW17 Calculate the rms value of the current waveform of Fig. 11.58. i(f) 5 05 10 15 20 25 íarrow_forwardPRACTICE PROBLEM 11.3 8/45° V 392 www jlQ In the circuit of Fig. 11.4, calculate the average power absorbed by the resistor and inductor. Find the average power supplied by the voltage source. Answer: 9.6 W, 0 W, 9.6 W.arrow_forward11.36 Find the complex power for the following cases: (a) P = 4 kW, pf = 0.86 (lagging) (b) S = 2 kVA, P = 1.6 kW (capacitive) G (c) Vrms=208/20° V. Im = 6.5/- 50° A (d) V = 120/30° V. Z=40+ j60 2arrow_forward
- 2. 3. Calculate the average power absorbed by an impedance Z = 30 - j700 when a voltage V = 120/0° is applied across it. In the circuit of Fig. 11.4, calculate the average power absorbed by the resistor and inductor. Find the average power supplied by the voltage source. 320/45° V 352 www m ell j1 Ωarrow_forwardHW18 11.38 For the power system in Fig. 11.67, find: (a) the average power, (b) the reactive power, (c) the power factor. Note that 220 V is an ms value. 220 V, 60 Hz 124/0° Q 20 - j25 2 90 +j80 2arrow_forward11.8 In the circuit of Fig. 11.40, determine the average power absorbed by the 40-N resistor. I, -j20 2 5/0° A {j102 0.51, 40 Ω llarrow_forward
- 11.36 Find the complex power for the following cases: (a) P = 4 kW, pf = 0.86 (lagging) (b) S = 2 kVA, P = 1.6 kW (capacitive) (c) Vrms=208/20° V, Ims = 6.5/- 50° A (d) Vrms = 120/30° V, Z = 40+j60 2arrow_forwardFor a certain alternating current, i(t), [A] i = 2 ⋅ sin (500 π ⋅ t + ) π, where the time is in seconds. a) Enter the peak value of the current b) Enter the rms value of the current c) Determine the period time d) Enter the frequency of the alternating currentarrow_forwardAn industrial heater has a nameplate that reads: 1) What is the apparent power? 225 Vrms 51 Hz 190 kVA 0.86 lagging 3) What is the reactive power? 208 Vrms 44 Hz 58 KVA 0.84 lagging 432 Vrms 58 Hz 2) What is the real power? 7 kVA 195 Vrms 56 Hz 4)What is the magnitude of the impedance of the heater? 196 KVA 0.75 lagging 0.74 laggingarrow_forward
- HW21 11.51 For the entire circuit in Fig. 11.70, calculate: (a) the power factor (b) the average power delivered by the source (c) the reactive power (d) the apparent power (e) the complex power j6 2 120 45° V 10 2 82 wwarrow_forwardAnswer 11.30arrow_forward11.29 Calculate the effective value of the current waveform in Fig. 11.60 and the average power delivered to a 12- resistor when the current runs through the resistor. i(t) 10 0 -10 5 10 15 20 25 30arrow_forward
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