1/4 LITER OF WATER NITIAL TEMPERATURETIME TAKEN TO BOI a (J 33.5 90s 33.9 75s 34.1 110s AYE tHDIVOL

Q: A 1.86-kg steel ball is dropped from a plane to an ocean. If the velocity of the ball just before…

A:

Q: "The Physics of Electricity Generation" You are expected to discuss and explain in great detail the…

A: Solution:The basic principle behind the generation of electricity is Faraday's law of…

Q: The figure below shows an electrical motor.   If the motor ran for 10 minutes, how much energy…

A: Given Voltage (V) = 120 V Current (I)  = 5 A Time (t)      = 10 minutes

Q: while 1 point 17. What is the power rating of a space heater that draws 9.6 amps connected to a wall…

A: Power = voltage × current

Q: how much work does a 60 watt bulb do in 1 minute

A: Given Power P = 60 W Duration t = 1 minute = 60 seconds

Q: Calculate the power dissipated in R5. R1-6n www R2-30 R3-6 n R4=2 n Rs =6n E= 19.8 V Rs =4n ww

A:

Q: Work is measured in the units of? Choose all that apply.   A. Joules (J)   B. Kilocaloie   C.…

A: The international System of unit of work is joule. The symbol of joule is J. Joule is equal to the…

Q: How much does it cost to operate a 1.2 kw heater for exactly 30.0 min if electrical energy costs…

A: Given: The power of the heater is 1.2 kw. The time duration of the uses is 30.0 min.

Q: What is the difference between power and energy?  Answer by showing their units AND by providing an…

A: To Differentiate between Power and Energy .

Q: C. The handling capacity of the system 10. Which among the following happens for a low power factor…

A: The power factor is defined as the ratio of active power and volt-amperes. The active power is…

Q: 49.) When you use electrical appliances you are using electrical energy based on the amount of the…

A: It is given that,

Q: Calculate the time taken by a 60 pulb to consume 3000 J of energy.

A: power = energy consumedtime taken60 W=3000time takenso, time taken =300060=50  seconds

Q: You pay an electric company an average of 8.7497 dollars for one kW-h used. How much would it cost…

A: Given: cost of 1KWh = 8.7497 dollars power of AC = 650 W runs 10 hours per day for 30 days

Q: Which of the following devices converts electrical energy into mechanical energy? An example of such…

A: To find: The device that converts electrical energy into mechanical energy.

Q: gy in a dam

A: Given: A change in energy in a dam is given as,

Q: A car moves at constant speed of 60 km h'' on a level road when the engine is working at 15 kW. The…

A: For constant speed ,the resistive force should be equal to force generated by the engine

Q: Bulb A, B, C are 60W lightbulbs. Bulb D is 100 W lightbulb. If lightbulb C is broken, rank the order…

A: Power of bulb A and B = 60Watt Lightbulb C is broken.

Q: The unit for energy is O Juwel O None of the choices Newton x meter O Watt

A: The energy is a quantitative property that is transferred from a physical system to perform the…

Q: 18. What is the first step in the design process? O researching the problem O to identify the…

A: Without introducing any problem, there is no need of designing a solution or the whole design…

Q: Calculate the joules of electrical energy   There are two refrigerators each 780 watts that are…

A:

Q: The units of Power is Select one: a. N.sec b. J/sec c. J.sec d. N/sec e. J/sec2

A: solution as

Q: The equation, P= VI, the power dissipated when graphed is a parabola. Why does the power dissipated…

A: According to Ohm's law : The voltage across any conductor is directly proportional to the current…

Q: Cost of Electricity A refrigerator is an appliance that is left running all the time. In New…

A:

Q: Four light bulbs, rated at 100 W, 75 W, 50 W and 25 W each, are in parallel. What is the total power…

A:

Q: a typical incandescent reading lamp runs at 60 watt. if it is left constantly, how much energy in…

A: Power (P) of a lamp = 60 W Time = 1 day

Q: Question 14 A lightbulb has a power rating of 60 W. If the bulb is connected to a 120 V input, how…

A: