An AC power generator produces 50 A (rms) at 3 600 V. The voltage is stepped up to 100 000 V by an ideal transformer, and the energy is transmitted through a long-distance power line that has a resistance of 100 V. What percentage of the power delivered by the generator is dissipated as heat in the power line?

Q: An AC voltage source, with a peak output of 200 V, is connected to a 50-W resistor. What is the…

A: Note: The unit of resistance of a resistor is  not WThe peak output voltage is The resistance of the…

Q: An AC source (Vrms = 428 V, frequency f = 19.1 Hz) is connected in series to a resistor R = 75.7 Q…

A: Vrms = 428 V C = 63.8 * 10-6 Farad f = 19.2 Hz R = 75.7 ohms   Energy stored in capacitor when…

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: The current in an ac power line changes direction 120 times per second, and its average value is…

A: Since, Power can be written as, P=VI And also it is average of instantaneous current times voltage.…

Q: The peak current through an inductor is 12.5 mA when connected to an AC source with a peak voltage…

A: The peal current through an inductor, I=12.5 mA   The peak voltage, V=1.0 V

Q: An AC power supply is connected to a 21.0 Q resistor. The output voltage of the power supply is…

A:

Q: When an AC source is connected across a 10.0-N resistor, the rms current in the resistor is 7.38 A.…

A: Given data: Resistance (R) = 10.0 Ω The rms current (Irms) = 7.38 A Required: The rms voltage, peak…

Q: (a) What is the resistance of a 220-V AC short circuit that generates a peak power of 96.8 kW?

A: Given that-Peak Power, P0= 96.8 kW=96.8×103 WattRMS Voltage, Vrms=220 Volt , ACWe know…

Q: A device has an average power rating of 1250 W and is designed to operate using a 211 V (RMS) line.…

A: Given  average power rating of a device (Pavg)=1250 w rms voltage (Vrms)=211 volt Required…

Q: Certain heavy industrial equipment uses AC power that has a peak voltage of 688 V. What is the rms…

A: Page 1

Q: À 100 N resistor is connected to a 220 V, 50 Hz ac supply. (a) What is the rms value of current in…

A: Given value--- resistance R = 100 ohm. Voltage V = 220 V. frequency = 50 Hz. We have to find---…

Q: -. If the peak value of the alternating current in a 950 W device is 5.0 A, then what is the rms…

A: Io=5Amp Irms= Io/√2=5/√2 Amp

Q: A transformer has a primary coil with 125 turns of wire and a secondary coil with 375 turns. An AC…

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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…

A:

Q: An AC voltage source is connected to a resistor R = 1.05  102 Ω. The output from an AC voltage…

A: Given value--- R = 1.05 × 102 ohm. We need to find--- What is the rms voltage across the…

Q: What is the peak power consumption rate of a 60-W AC light bulb?

A: Rated power of the light bulb is:

Q: A typical American family uses 1000 kWh of electricity a month. What is the average rms current in…

A: The power is given by, P=IrmsVrms   Therefore, the current will be, Irms=PVrms   given,…

Q: A transformer has a primary coil with 300 turns of wire and a secondary coil with 1,500 turns. An AC…

A: Then Given voltage function is ∆v=100vsin ωt...........(1) The standard equation of voltage is…

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: An AC power supply is connected to a 21.0 Q resistor. The output voltage of the power supply is…

A: Please see the answer in step 2

Q: The voltage and current through a capacitor connected to an ac generator are shown (super-imposed)…

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Q: What is peak power consumption rate of a 100.0-W AC light bulb?

A: The peak power consumption can be calculated by the formula: Ppeak = 2(P)...................(1)…

Q: A 28.5 k2 resistor connected to an AC voltage source dissipates an average power of 0.515 W. HINT…

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Q: Identical resistors are connected to separate 12 V AC sources. One source operates at 60 Hz, the…

A: Given:  Resistor connected to AC

Q: What is the peak power consumption of a 120 V AC microwave oven that draws 20 A? P = peak KW

A: as we know that, in case of AC supplyvoltage and current both are changingDue to this reason RMS…

Q: The circuit below shows an AC power supply connected to a resistor R = 22.4 0. ΔΙ', R w max @ The…

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Q: The circuit below shows an AC power supply connected to a resistor R= 21.0 0. ΔΙ R www max The…

A: Solution: Given: R = resistance of resistor = 21.0 Ω ΔVmax = maximum voltage from power supply =…

Q: A transformer has a primary coil with 150 turns of wire and a secondary coil with 750 turns. An AC…

A: Write the expression for rms voltage across the primary coil

Q: The AC EMF in this electric circuit is described by the following equation: E = 40Ve(20)t What is…

A: XL=inductive reactance=W×L Z'=impedance

Q: What is the peak current through a 1200 W microwave oven operating at 120-V AC?

A: Power of microwave (P) = 1200 W Operating voltage (Vrms) = 120 V

Q: Energy is distributed to households from electrical substations as an ac signal…

A: Number of turns of secondary coil, Ns= 190 Input or source ac signal,…

Q: The voltage in an AC ckt varies harmonically with time with a maximum of 180V. At what angle in its…

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Q: A transformer has a primary coil with 150 turns of wire and a secondary coil with 300 turns. An AC…

A: Primary coil turns , N1 = 150  Secondary coil turns , N2 = 300   Δv = (160 V)sin(ωt) To find = rms…

Q: A 250-Ω resistor is connected across an ac voltage source V = (150 V) sin [2π(60 Hz)t]. What is the…

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