A 92.4 ohm device is connected to a 115 V outlet. If the cost of the...
A 92.4 ohm device is connected to a 115 V outlet. If the cost of the electrical energy is $0.16/kWh, determine the cost of running this device for 50 hours. Round your answer in dollars ($) with 2 decimal places.
Homework Answers
In this problem we have to calculate the amount of electrical energy consumed and then convert into kWh.
Finally we got how many Kwh will consumed and it is mutipled with cost per each kWh.
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A 92.4 ohm device is connected to a 115 V outlet. If the cost of
the...
A 49.4 ohm device is connected to a 115 V outlet. If the cost of the...
A 49.4 ohm device is connected to a 115 V outlet. If the cost of the electrical energy is $0.16/kWh, what is the cost of running this device for 54.0 hours? Round your answer in dollars ($) with 2 decimal places.
A 44.0-mH inductor is connected to a North American electrical outlet (Avms = 120 V, 1...
A 44.0-mH inductor is connected to a North American electrical outlet (Avms = 120 V, 1 = 60.0 Hz). Assuming the energy stored in the inductor is zero at t = 0, determine the energy stored at t = loos
A 1.09-mF capacitor is connected to a North American electrical outlet (ΔVrms = 120 V, f...
A 1.09-mF capacitor is connected to a North American electrical outlet (ΔVrms = 120 V, f = 60.0 Hz). Assuming the energy stored in the capacitor is zero at t = 0, determine the magnitude of the current in the wires at t = 1 177 s. A
Chapter 26, Problem 049 A 120 W lightbulb is plugged into a standard 120 V outlet....
Chapter 26, Problem 049 A 120 W lightbulb is plugged into a standard 120 V outlet. (a) How much does it cost in dollars per 31-day month to leave the light turned on continuously? Assume electrical energy costs US$ 0.08/kWh. (b) What is the resistance of the bulb? (c) What is the current in the bulb? (a) Number Units (b) Number Units (c) Number Units
A 40.0-mH inductor is connected to a North American electrical outlet (AVrms-120 V, f= 60.0 Hz)....
A 40.0-mH inductor is connected to a North American electrical outlet (AVrms-120 V, f= 60.0 Hz). Assuming the energy stored in the inductor is zero at t = 0, determine the energy stored at t = 175 s. The energy stored in the inductor oscillates at the same frequency as the voltage. Watch It Talk to a Tuter
A 120 V potential difference is applied to a space heater whose resistance is 15.7 Ω...
A 120 V potential difference is applied to a space heater whose resistance is 15.7 Ω when hot. A. At what rate is electrical energy being transferred to thermal energy? B. How much thermal energy is produced in 3.3 hours? C. If costs 10.0 cents per kW·h, how much does it cost to operate the device for 3.3 hours? (Give your answer in dollars, but do not include the dollar sign.)
A 270-kilo-ohm [kΩ] resistor and a 0.4-microfarad [μF] capacitor rated at 210 volts [V] are connected...
A 270-kilo-ohm [kΩ] resistor and a 0.4-microfarad [μF] capacitor rated at 210 volts [V] are connected in series, meaning that all of the current through the resistor enters the capacitor. (a) Assuming that the capacitor is initially fully discharged and that a constant voltage of 5 volts [V] is maintained across the resistor, how long, in units of seconds [s], can this circuit operate before the voltage rating of the capacitor is exceeded? The circuit can operate for _...
A proposed cost-saving device has an installed cost of $654,000. The device will be used in...
A proposed cost-saving device has an installed cost of $654,000. The device will be used in a five-year project but is classified as three-year MACRS (MACRS Table) property for tax purposes. The required initial net working capital investment is $48,500, the marginal tax rate is 30 percent, and the project discount rate is 15 percent. The device has an estimated Year 5 salvage value of $73,500. What level of pretax cost savings do we require for this project to...
A proposed cost-saving device has an installed cost of $654,000. The device will be used in...
A proposed cost-saving device has an installed cost of $654,000. The device will be used in a five-year project but is classified as three-year MACRS (MACRS Table) property for tax purposes. The required initial net working capital investment is $48,500, the marginal tax rate is 30 percent, and the project discount rate is 15 percent. The device has an estimated Year 5 salvage value of $73,500. What level of pretax cost savings do we require for this project to...
A proposed cost-saving device has an installed cost of $735,000. The device will be used in...
A proposed cost-saving device has an installed cost of $735,000. The device will be used in a five-year project but is classified as three-year MACRS property for tax purposes. The required initial net working capital investment is $145,000, the marginal tax rate is 23 percent, and the project discount rate is 11 percent. The device has an estimated Year 5 salvage value of $104,000. What level of pretax cost savings do we require for this project to be profitable? MACRS...
A 44.0-mH inductor is connected to a North American electrical outlet (Avms = 120 V, 1 = 60.0 Hz). Assuming the energy stored in the inductor is zero at t = 0, determine the energy stored at t = loos
Chapter 26, Problem 049 A 120 W lightbulb is plugged into a standard 120 V outlet. (a) How much does it cost in dollars per 31-day month to leave the light turned on continuously? Assume electrical energy costs US$ 0.08/kWh. (b) What is the resistance of the bulb? (c) What is the current in the bulb? (a) Number Units (b) Number Units (c) Number Units
A 40.0-mH inductor is connected to a North American electrical outlet (AVrms-120 V, f= 60.0 Hz). Assuming the energy stored in the inductor is zero at t = 0, determine the energy stored at t = 175 s. The energy stored in the inductor oscillates at the same frequency as the voltage. Watch It Talk to a Tuter
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