Answered: b. A small motor draws a current of… | bartleby

Related questions

Question

b. A small motor draws a current of 1,750 mA from a 120-V line. The output
power of the motor is 0.2 hp. At a rate of P10.00/kWh, what is the cost of
operating the motor for 4 hours? What is the efficiency of the motor?

Expert Solution

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

28. An 11.0 W energy-efficient fluorescent lightbulb is designed to produce the same illumination as a conventional 40.0 W incandescent lightbulb. Assuming a cost of $0.110 kWh for energy from the electric company, how much money does the user of the energy- efficient bulb save during 100 h of use?
An electric toaster requires 1100 W at 110 V. What is the resistance of the heating coil? a. 7.5 W b. 9.0 W c. 10.0 W d. 11.0 W
How much time does it take for 1.0 C to flow through each of the following circuit elements? A.A 60 W reading light connected to 120 V. B.A 60 W automobile headlamp connected to 12 V.
6. W obwodzie poniżej U = 220 V, R₁ = 5 2, R₂ = 50 2, R₂ = 6 ks. Oblicz moc Prozpraszaną w rezystorze R₁. R₁ U 39.4 mW 4 kW 8.7 W 6.7 W R₂ R₁
0.058 A of electric current is passing through a resistor, and the voltage across the resistor is measured to be 3.7 V. What is the power dissipated in the resistor in the unit of W?
A particular household uses a 1.9 kW heater 1.8 h/day ("on" time), four 100 W lightbulbs 6.0 h/day, a 2.8 kW electric stove element for a total of 1.0 h/day, and miscellaneous power amounting to 2.0 kWh/day. Part A If electricity costs $0.105 per kWh, what will be their monthly bill (30 d)? Express your answer using two significant figures. Cost = 33 $ per month Submit Previous Answers ✓ Correct Part B How much coal (which produces 7500 kcal/kg) must be burned by a 36 % -efficient power plant to provide the yearly needs of this household? Express your answer to two significant figures and include the appropriate units. O ΕΞΑ HÅ m= 100.97 kg Submit Previous Answers Request Answer ?
A water pump draws about 3.8.A when connected to 240 V. What is the cost (with electrical energy at 9 cents per &W) of running the pump for 10 A7 O 8.0 cents O 15 cents O O 95 cents
10.a. To provide a useful purpose, electrical energy is most often converted toA. heat, chemical energy, or mechanical energy.B. heat, light, or mechanical energy.C. light, chemical energy, or mechanical energy.D. heat, light, or chemical energy.10.b. You wish to switch two hot wires so that the power is either off or provided to either one of two loads.To do this, you should use a(n) _______ switch.A. DPDTB. DPTTC. SPDTD. DPST
A house has 3 tubelights, 2 fans and a television. Each tubelight draws 40 W. The fan draws 80 W and the television draws 60 W. On an average, all the tubelights are kept on for five hours, two fans for 12 hours each and the television for five hours a day. Find the cost of electric energy used in 30 days at the rate of Rs. 3.00 per KWH.
A 1750 W radiant heater is constructed to operate at 120 V. What is the current in the heater when the unit is operating? What is the resistance of the heating coil? How much thermal energy is produced in 2.0 h?
An electric car is designed to run off a bank of 15-V batteries with total energy storage of 2.1 × 107 J. If the electric motor draws 4 200 W in moving the car at a steady speed of 14 m/s, how far will the car go before it is “out of juice?” a. 35 km b. 70 km c. 140 km d. 110 km e. 18 km
A. At 7.15 cents per kilowatt-hour, what does it cost to operate a 9.00 hp motor for 10.0 he? B. At 7.15 cents per kilowatt-hour, what does it cost to leave a 75.0 W light burning 24.0 hours a day?

SEE MORE QUESTIONS