A 300 W driveway light is left on for 24 hours. How much does the energy cost if the power company’s rate is 50.0 cents per kWh?
Q: In a particular town, electrical energy costs $0.11 per kilowatt-hour. (Round your answers, in…
A: Given, cost of electrical energy is X = $0.11 kwh a) power is P = 75.0 w time t = 24 hours energy E…
Q: A coffee maker draws 6.5 amperes when operating at 120 V. How much electric power does it use. I…
A: Given that the coffee maker draws current I=6.5A and operates with a voltage V=120V We have to…
Q: One wire in a high-voltage transmission line carries 1 000 A starting at 560 kV for a distance of…
A: P=I2R
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: A copper transmission cable 43 km long and 5.3 cm in diameter carries a current of 41 A. How much…
A:
Q: A 72.3 ohm resistor is put into a circuit with a 13 volt battery. What is the power dissipated (in…
A: Given: The resistance of the circuit is 72.3 Ohm. The supplied voltage is 13 V.
Q: 44.2 Ω resistor and a 93.8 Ω resistor are connected in parallel, and the combination is connected…
A:
Q: How many kWh of energy does a 425 W toaster use if it is operated for 6.0 minutes? If energy costs…
A: GivenPower of toaster,P=425 Wtime of operation, t=6 min =6 min60…
Q: A 50.7 ohm resistor is put into a circuit with a 16 volt battery. What is the power dissipated (in…
A:
Q: At this average price, calculate the cost of drying a load of clothes in 40.0 min in a 6.00 103-W…
A:
Q: A light rail commuter train draws 645 A of 590 V DC electricity when accelerating. A.What is its…
A: a) The required input power is, b) The required time is,
Q: The cost of energy delivered to residences by electrical transmission varies from $0.070/kWh to…
A:
Q: A high intensity desk lamp is rated 28 W but requires on 11 V. It has a transformer which converts…
A:
Q: A laptop can be powered by an adapter that provides a 19.5V voltage and a 9.23 A current. What is…
A: Voltage provided by adapter (V) = 19.5 VCurrent (I) =9.23 A
Q: How much more energy does a 100 W light bulb use if it is left on 2.08 hours, versus a high…
A: Energy consumed by 100W bulb is E=Pt=100 W2.08 h=0.208×103 Wh=0.208 kWh
Q: A small office building air conditioner operates on 250 V AC and consumes 4.74 kW. What is the cost…
A:
Q: 1.71 kW hair dryer is connected to a 120 V line. The peak current going through the hair dryer is A.…
A: Power of Hair dryer P = 1.71 kW Voltage applied V = 120 V We…
Q: Lucía, a young woman from Veracruz, uses a hair straightener every morning to straighten it and…
A:
Q: . An electric water heater requires 1100 W of power. Electricity costs 8 cents per kilowatt hour.…
A: Given Power of an electric heater = P = 1100 W = 1.1 kW Cost of electricity = 8 cents/kWh We have to…
Q: ne wire in a high-voltage transmission line carries 1 000 A starting at 460 kV for a distance of 250…
A:
Q: At roughly $0.10/kWh, what does it cost to leave a 25-W porch light on day and night for a year?…
A: To answer: The cost to leave 25 W porch light on day and night for a year.
Q: hat current (in kA) is needed to transmit 130 MW of power at a voltage of 29.0 kV? b. Find the…
A:
Q: What is the maximum voltage, in V, that a 30 Ohm light bulb can handle if it is rated for 60 W?
A: Resistance = 30 ohm Power rating of light bulb = 60 Watt Formula used , Power = Voltage2/R
Q: An array of solar panels produces 8.65 A of direct current at a potential difference of 148 V. The…
A: Given: A solar panel produces a current of 8.65 A at a potential difference of 148 V. The…
Q: A 60W lightbulb is the only element in a circuit powered by a 120V household outlet. What is the…
A:
Q: In the evening, the student turns on a 38-W table lamp, plugs in a 167-W computer to study physics,…
A: Power of lamp is Power of computer is Power of coffee maker is Note:The voltage in household…
Q: A wind farm generates 2,286 kW of electrical power for a nearby community. The transmission wires…
A:
Q: A 802.73 watt generator can produce a current of 17.12 amps through a circuit. What is the total…
A: Given Power (P) = 802.73 W Current (Io) = 17.12 A Let, voltage across the circuit is ' Vo '.
A 300 W driveway light is left on for 24 hours. How much does the energy cost if the power company’s rate is 50.0 cents per kWh?
Step by step
Solved in 3 steps
- 1. You run your 1500 W microwave in your dorm room for 5.0 minutes to heat your TV dinner. What is the cost of the energy used, at a rate of 0.11 per kW·h? and can a 120 V outlet with a 15 A current power your microwave without blowing the breaker? Why or why not?A small generating station produces 120 kW of effective power that is transmitted by two wires, each having a resistance of 0.045Ω. How much power is saved by transmitting the power at 2.5 kV instead of 120 V?A 1500 W microwave oven runs off of a 240 V supply. The current drawn is by the microwave is 6.25Amps a) If the electricity cost is $0.0925 per kWh, how much does it cost to run the microwave for 5 min?
- helpA 120 volt household circuit has a 20 amp circuit breaker (maximum). A 600-Watt heater and a 60 ohm light are connected to this source in parallel. How many amps flow through the 600-Watt heater?A high-voltage transmission line carries 1000 A at 700 000 V. What is the maximum power carried in the line?