The input power to a 3-phase star connected load is measured as 11kW. If the line current and power factor of the load are 39 A and 0.7 respectively, then the value of line voltage is given by,

Q: The input power to a 3-phase star connected load is measured as 19kW. If the line current and power…

A: Given, A 3-phase a.c. circuit star connected load with, Input power, Pin=19 kW Line current, IL=21 A…

Q: Find the charge q(t) on the capacitor and the current i(t) in the given LRC-series circuit. L = h, R…

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Q: Suppose the amplitudes of the voltages are Vco=21.6 volts, Vro=28.2 volts, and VLo=20.4 volts.…

A: Using formula

Q: At its highest temperature, a space heater has a resistance of 47.5 ohms when it is plugged into a…

A: The average power output of the heater is;Pavg​=278.30WExplanation:Step 1:Step 2:

Q: The peak value of an alternating current in a 1500 W device is 5.4 A. What is the rms voltage across…

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Q: A 4.0-mF capacitor is connected to a standard electrical outlet (). Determine the current in the…

A: Given that,RMSVolatge : Vrms = 220 (V)Frequency : f = 60 (Hz)Capacitor : C = 4 (mF) = 4×10-3 (F)Time…

Q: A guitarist has an amplifier with an output resistance of 8Ω.  There are two speakers available, one…

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Q: A microphone has a resistance of 7.8 Ω. When the microphone is connected to a voltage source, the…

A: Given data The resistance of the microphone is R = 7.8 Ω. The average power is given as Pavg = 89 W.…

Q: A 100 µF capacitor in series with a 40 Ω resistance is connected to a 110 V, 60 Hz supply.(a) What…

A: Given:  Capacitance, C = 100 micro farad = 10-4 F Resistance, R = 40 ohm  RMS Voltage, Vrms = 110 V…

Q: Consider the RLC circuit shown below, where the initial current flowing through the circuit at time…

A: Given that the RLC circuit where the initial current flowing through the circuit at time t = 0 is…

Q: "(a) What is the resistance of a lightbulb that uses an average power of 75.0 W when connected to a…

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Q: The rms current through a light bulb is 0.527 A when the bulb is connected to a standard 120 V rms…

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Q: Calculate the RMS value of the voltage waveform below

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Q: Series RLC circuit consists of a 25-ohm resistor, a 0.221-henry inductor and a 66.3 microfarad…

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Q: Consider an AC power supply that provides a voltage of 14sin(223t) volts, where t is in seconds. The…

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Q: ) What is the resistance of a lightbulb that uses an average power of 60.0 W when connected to a…

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Q: The peak value of an alternating current in a 1800 −W device is 5.8 A. What is the rms voltage…

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Q: A certain circuit breaker trips when the rms current is 15.0 A. What is the corresponding peak…

A: Given, Irms=15A

Q: The peak value of an alternating current in a 1900-WW device is 4.2 AA . What is the rms voltage…

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Q: A generator produces 40 MW of power and sends it to town at an rms voltage of 75 kV. What is the rms…

A: The power is given by, P=VrmsIrms Thus, Irms=PVrms

Q: The peak‑to‑peak current passing through a 130-ohm resistor is 28.0 A. Find the maximum voltage…

A: Peak to peak current (I) = 28 A Resistance (R) = 130 ohm

Q: (a)What is the resistance (in Ω) of a 240 V AC short circuit that generates a peak power of 97.5 kW?…

A: A) Vrms = 240 volts Peak power = 97.5 kW

Q: the current through the heating element with time in an iron when it is plugged into a standard 120…

A: The average power is 848.53 W

Q: (a) What is the resistance of a lightbulb that uses an average power of 65.0 W when connected to a…

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Q: Suppose you accidentally touched wires connected to the 120-V output from the wall socket. (a)…

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Q: = 2.00 x 105 V cos [(800 rad = 2.00 x 105 V cos [(800 rad

A: Given, Resistance = 200ohm Capacitance = 44μF voltage across the resistor as, = VR =…

Q: The current and voltage are 64 degrees out of phase in a RC series circuit. The apparent power is…

A: We are given the applied current. We are also given the phase difference between voltage and…

Q: (a) How much average power is dissipated in a short circuit of 232 V AC through a resistance of…

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Q: Determine the range of values for the input voltage that will keep the value of the load voltage…

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Q: In a three phase system, three 36 micro-farads capacitors are connected in Delta connection, across…

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Q: The rms current through a light bulb is 0.919 A when the bulb is connected to a standard 120 V rms…

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Q: (a) What current (in A) flows when a 60.0 Hz, 550 V AC source is connected to a 0.270 µF capacitor?…

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Q: What maximum current is delivered by an AC source with AV max mA 50.0 V and f = 70.0 Hz when…

A: Given Data: ∆Vmax=50.0V f=70.0 Hz C=3.70 μF

Q: The series RLC circuit below has an input voltage of Vin(t) = 16 cos(5t) Volts. 2 H Vin .1 F a)…

A: Given that: For a series RLC circuit: R=8 ΩL=2 C=1 FVin(t)=16 cos 5t V

Q: (a) What current flows when a 60.0 Hz, 480 V AC source is connected to a 0.250 µF capacitor? (b)…

A: The capacitive reactance is XC=12πfC Here, XC is the capacitive reactance , f is the frequency ,…

Q: A 4.0-mF capacitor is connected to a standard electrical outlet ( ). Determine the current in the…

A: Given that,RMS Voltage : Vrms = 220 (V)Frequency : f = 60 HzCapacitors : C = 4 mF = 4×10-3 (F)Time :…

Q: At its highest temperature, a space heater has a resistance of 43.5 Ohms when it is plugged into a…

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Q: A load of 140 MW at a power factor of 0.65 lagging can be delivered by a 3-phase transmission line.…

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