How many kilowatts of power are delivered to a circuit by a 240V generator that supplies 20A to the circuit?

Q: How many electrons are flowing per second past a point in a circuit in which there is a current of…

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Q: What voltage will produce 0.4 A of current through a 4800 resistor?

A: Given: Current, I = 0.4 A Resistance, R = 4800 Ω To determine: Voltage, V

Q: How much energy per unit time does a 6.0 V portable radio use if it draws 250 mA of current?

A: Given data :-                                Voltage V = 6 volt…

Q: How many watts does a flashlight that has 6.00×102 C pass through it in 0.500 h use if its voltage…

A: Power is product of current and potential . P=IV       .....1 where I is current            V is…

Q: Why does current travel at 400,000V through the national grid?

A: To describe Why Current travels at 400,000 V through National grid

Q: What is the voltage across the terminals of a 42 ohms resistor that has 0-091 A of current flowing…

A: Given data :      Resistance  =  R       Current   =  i      To find :  Voltage

Q: 20

A: Given that three capacitance is in series :

Q: There are approximately 103 million TVs in the United States. Each uses, on average, 76 W of power…

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Q: How much power does a standard wall outlet produce? Current is 5 amps, and voltage 120 volts?

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Q: A rechargeable battery has a capacity of 27090 C of charge. When connected to a 2.52 A DC power…

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Q: A transformer has exactly 600 turns on its primary and exactly 200 turns on its secondary. if a…

A: It is given that, np=600ns=200Vp=100 VIp=0.250 A

Q: connected to a 120V source. What current flows

A: GivenPower of electric heater, P=1.2 kW=1.2×103 WSource voltage, V=120 V

Q: The equivalent capacitance of the circuit shown below is 2C

A: Given that all three capacitors are in series

Q: What is the voltage across the terminals of a 38 ohms resistor that has 0.082 A of current flowing…

A: Given data :           Current = i            Resistance = R     To find :                Voltage

Q: How much energy is being used by a transmitting station drawing 40-A from a 440-V power line in 2…

A: Given : I = 40 A V = 440 V t = 2 hours = 2(60) = 120 seconds

Q: There are approximately 103 million TVs in the United States. Each uses, on average, 71 W of power…

A: Given: The number of TVs is 103 million. The average power used by each TV is 71 W. The number of…

Q: An electric motor on an airplane operates on 34 volts anddraws a current of 10 amperes.aWhat the…

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Q: What is the power of a 115 MV lightning bolt having a current of 29,850 A?

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Q: An electric motor on an airplane operates on 23 volts anddraws a current of 8 amperesa. What is the…

A: Given Data : Potential difference (∆V) = 23 Volts Current (I) = 8 Amperes We have to calculate the…

Q: 220 V is supplied across 1200 windings of the primary coil of the autotransformer. If 1650 windings…

A: Voltage , V  = 220 V  Windings , N1 = 1200  Windings , N2 = 1650  To find = voltage

Q: The primary coil of a transformer has 130 turns. The secondary coil has 520 turns. If the secondary…

A: Given: The primary turn of the transformer is 130. The secondary turn of the transformer is 520. The…

Q: The potential difference 12.57X10^11 is used to power a circuit. How much is the power output if 6…

A: Given: V = 12.57 × 1011 V Current I = 6 A. To determine: Power Formula used: P = VI

Q: What is the current of 1500 C passing through a wire in 2 minutes?

A: Current: The total charge passes through a wire per unit time is known as current. I = Q/t The unit…

Q: What is the peak current through a 500-W room heater that operates on 120-V AC power?

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Q: How much does it cost to operate a 80-WW lamp continuously for a week if the power utility rate is…

A: Given: The wattage of bulb = 80 W. Power utility rate = 25 cents/kWh.

Q: A battery with an emf of 12 V is connected to a 545@Ω resistor. How much energy is dissipated in the…

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Q: What is the energy used to run a 9v circuit with a 90 ohm resistor for 10 seconds?

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Q: If the power applied to a system is 10 kW, what is the voltage across the line if the current is…

A: Given : power supply, P = 10 kW = 10000 W Current, I = 48 A

Q: a heater is left on and uses 0.58 A when plugged into a 120 V line.  if electric power costs 12…

A: Assume that the current and voltage are RMS value, and the heater is purely resistive load.The power…

Q: Your family decides to limit TV watching to 17 hours every week. If the power rating on your TV is…

A: Given data:  Number of hours uses in a week (t) = 17 h Power (P) = 394 W = 0.394 kW Electricity cost…

Q: Maria's torch uses 3 dry cells. how many volts does it need to operate?

A: Current is dependent on voltage between 2 terminals. This is called Ohm's law. More is the potential…

Q: What is the voltage across the terminals of a 22 ohms resistor that has 0•064 A of current flowing…

A: Given, Resistance of the resistor, R = 22 ohms current flowing through it, I = 0.064 A

Q: A 240 V clothes dryer draws a current of 15 A. How much energy, in KWH and in joules, does it use in…

A: Write the expression for power of the dryer .

Q: How much energy does a toaster use if it is rated at 1200 W and runs current for 2 minutes as it…

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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: A 10-watt energy-saving fluorescent lamp is designed to produce the same illumination as a…

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Q: a 1150W hair dryer is operated on a 120v circuit for 20min. if electricity costs $0.20/kWh, what was…

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Q: A battery supplies a water heater with a potential difference of 110v. If it’s resistance is 10…

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Q: What is the power of a 125 MV lightning bolt having a current of 27,500 A? Answer is in Watts

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Q: Calculate the cost (in cents) of using a 200-watt television for 30 days if turned on 2 hours per…

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Q: A transformer has exactly 600 turns on its primary and exactly 200 turns on its secondary. If a…

A: ....

Q: ly has 9 volt batteries. How many batter

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