- 11.11.1: Calculate the instantaneous power and average power absorbed by the...
- 11.11.2: A current I = 33 30 A flows through an impedance Z = 40 22 . Find t...
- 11.11.3: In the circuit of Fig. 11.4, calculate the average power absorbed b...
- 11.11.4: Calculate the average power absorbed by each of the five elements i...
- 11.11.5: For the circuit shown in Fig. 11.10, find the load impedance ZL tha...
- 11.11.6: In Fig. 11.12, the resistor RL is adjusted until it absorbs the max...
- 11.11.7: Find the rms value of the current waveform of Fig. 11.15. If the cu...
- 11.11.8: Find the rms value of the full-wave rectified sine wave in Fig. 11....
- 11.11.9: Obtain the power factor and the apparent power of a load whose impe...
- 11.11.10: Calculate the power factor of the entire circuit of Fig. 11.19 as s...
- 11.11.11: For a load, Vrms = 110 85 V, Irms = 3 15 A. Determine: (a) the comp...
- 11.11.12: A sinusoidal source supplies 100 kVAR reactive power to load Z = 25...
- 11.11.13: In the circuit in Fig. 11.25, the 60- resistor absorbs an average p...
- 11.11.14: Two loads connected in parallel are respectively 3 kW at a pf of 0....
- 11.11.15: Find the value of parallel capacitance needed to correct a load of ...
- 11.11.16: For the circuit in Fig. 11.33, find the wattmeter reading
- 11.11.17: The monthly reading of a paper mills meter is as follows: Maximum d...
- 11.11.18: Find the value of ZL in the circuit of Fig. 11.49 for maximum power...
- 11.11.19: The variable resistor R in the circuit of Fig. 11.50 is adjusted un...
- 11.11.20: The load resistance RL in Fig. 11.51 is adjusted until it absorbs t...
- 11.11.21: Assuming that the load impedance is to be purely resistive, what lo...
- 11.11.22: Find the rms value of the offset sine wave shown in Fig. 11.53.
- 11.11.23: Using Fig. 11.54, design a problem to help other students better un...
- 11.11.24: Determine the rms value of the waveform in Fig. 11.55.
- 11.11.25: Find the rms value of the signal shown in Fig. 11.56.
- 11.11.26: Find the effective value of the voltage waveform in Fig. 11.57.
- 11.11.27: Calculate the rms value of the current waveform of Fig. 11.58.
- 11.11.28: Find the rms value of the voltage waveform of Fig.11.59 as well as ...
- 11.11.29: Calculate the effective value of the current waveform in Fig. 11.60...
- 11.11.30: Compute the rms value of the waveform depicted in Fig. 11.61
- 11.11.31: Find the rms value of the signal shown in Fig. 11.62.
- 11.11.32: Obtain the rms value of the current waveform shown in Fig. 11.63.
- 11.11.33: Determine the rms value for the waveform in Fig. 11.64.
- 11.11.34: Find the effective value of f(t) defined in Fig. 11.65.
- 11.11.35: One cycle of a periodic voltage waveform is depicted in Fig. 11.66....
- 11.11.36: Calculate the rms value for each of the following functions: (a) i(...
- 11.11.37: Design a problem to help other students better understand how to de...
- 11.11.38: For the power system in Fig. 11.67, find: (a) the average power, (b...
- 11.11.39: An ac motor with impedance ZL = 2 + j1.2 is supplied by a 220-V, 60...
- 11.11.40: Design a problem to help other students better understand apparent ...
- 11.11.41: Obtain the power factor for each of the circuits in Fig. 11.68. Spe...
- 11.11.42: A 110-V rms, 60-Hz source is applied to a load impedance Z. The app...
- 11.11.43: Design a problem to help other students understand complex power.
- 11.11.44: Find the complex power delivered by vs to the network in Fig. 11.69...
- 11.11.45: The voltage across a load and the current through it are given by v...
- 11.11.46: For the following voltage and current phasors, calculate the comple...
- 11.11.47: For each of the following cases, find the complex power, the averag...
- 11.11.48: Determine the complex power for the following cases: (a) P = 269 W,...
- 11.11.49: Find the complex power for the following cases: (a) P = 4 kW, pf = ...
- 11.11.50: Obtain the overall impedance for the following cases: (a) P = 1000 ...
- 11.11.51: For the entire circuit in Fig. 11.70, calculate: (a) the power fact...
- 11.11.52: In the circuit of Fig. 11.71, device A receives 2 kW at 0.8 pf lagg...
- 11.11.53: In the circuit of Fig. 11.72, load A receives 4 kVA at 0.8 pf leadi...
- 11.11.54: For the network in Fig. 11.73, find the complex power absorbed by e...
- 11.11.55: Using Fig. 11.74, design a problem to help other students better un...
- 11.11.56: Obtain the complex power delivered by the source in the circuit of ...
- 11.11.57: For the circuit in Fig. 11.76, find the average, reactive, and comp...
- 11.11.58: Obtain the complex power delivered to the 10-k resistor in Fig. 11....
- 11.11.59: Calculate the reactive power in the inductor and capacitor in the c...
- 11.11.60: For the circuit in Fig. 11.79, find Vo and the input power factor.
- 11.11.61: Given the circuit in Fig. 11.80, find Io and the overall complex po...
- 11.11.62: For the circuit in Fig. 11.81, find Vs.
- 11.11.63: Find Io in the circuit of Fig. 11.82.
- 11.11.64: Determine Is in the circuit of Fig. 11.83, if the voltage source su...
- 11.11.65: In the op amp circuit of Fig. 11.84, vs = 4 cos 104t V. Find the av...
- 11.11.66: Obtain the average power absorbed by the 10- resistor in the op amp...
- 11.11.67: For the op amp circuit in Fig. 11.86, calculate: (a) the complex po...
- 11.11.68: Compute the complex power supplied by the current source in the ser...
- 11.11.69: Refer to the circuit shown in Fig. 11.88. (a) What is the power fac...
- 11.11.70: Design a problem to help other students better understand power fac...
- 11.11.71: Three loads are connected in parallel to a 120 0 V rms source. Load...
- 11.11.72: Two loads connected in parallel draw a total of 2.4 kW at 0.8 pf la...
- 11.11.73: A 240-V rms 60-Hz supply serves a load that is 10 kW (resistive), 1...
- 11.11.74: A 120-V rms 60-Hz source supplies two loads connected in parallel, ...
- 11.11.75: Consider the power system shown in Fig. 11.90. Calculate: (a) the t...
- 11.11.76: Obtain the wattmeter reading of the circuit in Fig. 11.91.
- 11.11.77: What is the reading of the wattmeter in the network of Fig. 11.92?
- 11.11.78: Find the wattmeter reading of the circuit shown in Fig. 11.93.
- 11.11.79: Determine the wattmeter reading of the circuit in Fig. 11.94.
- 11.11.80: The circuit of Fig. 11.95 portrays a wattmeter connected into an ac...
- 11.11.81: Design a problem to help other students better under stand how to c...
- 11.11.82: A 240-V rms 60-Hz source supplies a parallel combination of a 5-kW ...
- 11.11.83: Oscilloscope measurements indicate that the peak voltage across a l...
- 11.11.84: A consumer has an annual consumption of 1200 MWh with a maximum dem...
- 11.11.85: A regular household system of a single-phase threewire circuit allo...
- 11.11.86: A transmitter delivers maximum power to an antenna when the antenna...
- 11.11.87: In a TV transmitter, a series circuit has an impedance of 3 k and a...
- 11.11.88: A certain electronic circuit is connected to a 110-V ac line. The r...
- 11.11.89: An industrial heater has a nameplate that reads: 210 V 60 Hz 12 kVA...
- 11.11.90: A 2000-kW turbine-generator of 0.85 power factor operates at the ra...
- 11.11.91: The nameplate of an electric motor has the following information: L...
- 11.11.92: As shown in Fig. 11.97, a 550-V feeder line supplies an industrial ...
- 11.11.93: A factory has the following four major loads: A motor rated at 5 hp...
- 11.11.94: A 1-MVA substation operates at full load at 0.7 power factor. It is...
- 11.11.95: A coupling capacitor is used to block dc current from an amplifier ...
- 11.11.96: A power amplifier has an output impedance of 40 + j8 . It produces ...
- 11.11.107: A power transmission system is modeled as shown in Fig. 11.99. If V...

# Solutions for Chapter 11: AC Power Analysis

## Full solutions for Fundamentals of Electric Circuits | 6th Edition

ISBN: 9780078028229

Solutions for Chapter 11: AC Power Analysis

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