7. Determine the power consumed (in kW) by the heating coil in the following diagram. heating coil (A) 1 = 2.40 A R=6.80 kn Question 7 45 EMMY P Type here to search ESC F1 F2 F3 F4 F5 F6 F7 F8 @ 2. # & 1 2 3 4 7 8 € CO %24

Q: D. What is the minimum amount of work the motor has to do in order to raise the elevator this high?…

A:

Q: If a 3500 Watt oven is on for 4 hours, then how many kilowatt-hours (kWh) of energy are used? kWh…

A: Energy is defined as E=Pt Here E is energy, P is power and t is time.

Q: You place an ice cube in a microwave oven. If it requires 32,195 J to melt the ice cube and the oven…

A: The equation for the power delivered to the microwave oven. P = Q/t the power is directly…

Q: 4. Is the amount of work accomplished dependent on how long it takes to accomplish that work?…

A:

Q: Explain the difference between energy and power. If a household has an average annual energy…

A: Difference between energy and power? if E=8500 Kwh , find P= ? how power consumptions varies during…

Q: Part An ice cube is placed in a microwave oven. Suppose the oven delivers 135 W of power to the ice…

A: Given data: Power (P) = 135 W Energy (E) = 31200 J Required: Time (t)

Q: tank contains 303 gallons of oil. This is the equivalent of 4.43×1010 J of energy. How many kWh of…

A: Given that A tank contains 303 gallon of oilThe energy To determine How many KWH of energy does this…

Q: An energy intensive appliance draws a power of 1200 Watts. Suppose it is left on for one whole day…

A:

Q: C7 21.) If a hair dryer is rated at 1300 W, how much energy does it require in 6 minutes?…

A: Power=Work/time Work=Power X time

Q: what is one netwon-meter equivalent to? 1. kilowatt * hour 2. watt * sec 3. joule/sec 4. kg *…

A: The newton-metre N·m is a unit of torque in the SI system. One newton-metre is equal to the torque…

Q: An average-sized home refrigeration unit has a 1/19-hp fan motor for blowing air over the inside…

A: Given:Fan motor power of refrigeration unit=119 hpFan motor power of blowing air unit=125 hp

Q: Lighting a Light Bulb! 1. You are operating a bicycle generator like the one at right. Suppose that…

A: Given:  1 Calorie=4186 J Energy transferred from snickers candy bar →electricity is 10% of 74…

Q: What is the wattage of a light bulb that uses 35 J of energy in 7 s?

A: given,  Energy = 35 J  time = 7 s  Therefore, the wattage of the light bulb               =…

Q: Here is an extract from our electricity bill. The coloured text has been added to highlight the…

A: Energy used from company = 294.3 kWh  Number of days = 92 days

Q: An air conditioner, 6400 watts, is used only 4 months out of a year. On a typical day it is used…

A: We first convert the wattage to kilowatts and then use hours operated everyday to find the number of…

Q: What is the efficiency of an electric generator that produces 1.17 kwh per kg of coal burned beef…

A: Given Data: The remaining work done by the engine is, Wnet=1.17 kwh The heat input is,…

Q: Which of the following would consume the least energy? a)A 60 W light bulb left on for an hour b)A…

A:

Q: Calculate the energy used per day (kWh) of a car with an efficiency of 12 kilometers per liter and…

A: Answer:- 12.5 kW h  Given  Total distance travelled by the car per day (S) = (90)/(6) = 15 km per…

Q: 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…

A: Total energy used by the motor will be, Emotor=9.0 hp10.00 hr           =9×0.7457 kW10.00 hr…

Q: ED light bulb uses energy of 3W.  What is the electrical energy is used if the light is on for 2…

A:

Q: A small wind turbine has 3 blades that are 1m radius each. Take the air density on a typical day to…

A: A turbine is a device that converts fluid rotational energy captured by a rotor system into useful…