A family of five is planning to install solar panels on the roof of their home to help reduce the cost of electricity and save energy to help the environment. The family plans to install 10 panels, each with a power rating 600W. On average, a solar panel can produce electricityfor 4.5 hours daily. How much solar energy will the solar panels transform into electrical energy each day?

Q: Expending 1500 J of energy by running up the stairs for 40 seconds will generate the same amount of…

A: Energy in general is defined as “the ability to do work” where “work” is defined as the action of a…

Q: Consider a TV set that consumes 120 W of electric power when it is on and is kept on for an average…

A: The expression to determine the daily cost,

Q: How much electrical energy in a second is consumed by a bulb that ha a power rating of 50 watts?…

A: The power rating of a bulb is given by P=50 watts

Q: A laptop computer consumes about 40 watts of electricity per hour when operating. At $0.20 per…

A: Power of laptop = 40 watt Time = 10 hours  Cost of electricity = $0.20 per kilowatt hour

Q: An electric clothes dryer is rated at 4,000 W. How much energy does it use in 40 min?

A: Given that  An electric clothes dryer is rated at 4,000 W So, power = p = 4000 w Also time = t = 40…

Q: What is the average wattmeter reading of one wattmeter method? O a. P1+P2 O b. Total power /2 O c.…

A: In one wattmeter method, Total power = average wattmeter reading x 3

Q: Jenny is out trimming her hedges with a hedgetrimmer that has a 1500W power rating. If it takes her…

A: Let the power rating is denoted by P and the working time is given by t. Evaluate the energy (E)…

Q: person used his 15000 W air conditioning unit for 5 h every day during the month of June. How much…

A:

Q: A washing machine has a power requirement of 2500 W. Every month the machine is used for 6.0 hours.…

A: power requirement of washing machine = 2500 Wtime = 6 hours cost of electricity = 13 cents/kWh

Q: How long would it take a 600 W electric motor to do 17,500 J of work

A: Given data: Power (P) = 600 W Work (W) = 17,500 J Required: Time (t)

Q: A lightbulb has an average power output of 125 watts. If the lightbulb is left on for an hour, what…

A: Given: The power output of the lightbulb is 125 W. The running time of the bulb is 1 hour.…

Q: 34. What is the work that a 256 W electric grinder can do in three minutes? Group of answer choices…

A: Power of electric grinder = 256 w Time t = 3 min = 180s

Q: What is the speed of electricity?

A: The word electricity  generally refers to the movement of free electron within conductor in presence…

Q: A lamp consumes 1000 J of electrical energy in 10 s. What is its power? L00

A:

Q: A refrigerator using 1030 W runs two-thirds of the time. How much does the electricity cost to run…

A: A refrigerator using 1030 W runs two-thirds of the time. How much does the electricity cost to run…

Q: Lightbulb A was found out to give 30.0W of power, producing the same brightness as lightbulb B…

A:

Q: this is a 23 watt energy efficient light bulb (1bulb) which cost 6.00.the retail price of…

A: The energy consumed by a device is given by E = P×t, where P = the power of the device t = time

Q: At 15 cents is a  kilo Watt per hour. What does it cost to operate 1200 W for 1 hour?

A: We have the given information: Power is P=1200 W Time is t=1 hr Calculating energy in kiloWatt per…

Q: A refrigerator using 1030 W runs one-third of the time. How much does the electricity cost to run…

A:

Q: A microwave oven has a power requirement of 1,243 W. A frozen dinner requires 5.6 min to heat on…

A: The energy consumed by the oven can be obtained as E=Pt=1243W×1kW1000W5.6min×1h60min=0.116kWh

Q: A vacuum cleaner draws power at 1200 Watt. If you clean your once a week, 20 minutes for each…

A:

Q: A person uses a 3 kW electric fire for 3 hours and a 2 kW heater for 5 hours. What is the total cost…

A:

Q: In a sunnier location than Eugene, the sun shines for an average of 2000 hours per year. A home…

A:

Q: if your household uses 430 kWh of electricity per month how many joules of energy are you using?…

A: Given Information:- Electricity used by the household is E=430 kWh.   Required:- We have to convert…

Q: Suppose you have a 1000W microwave that you need to run for 5min to heat up your dinner. How much…

A:

Q: In Fort Collins, Colorado, the sun shines for an average of 1850 hours per year. A homeowner…

A: The given values are, t=1850 hP=4.0 kWcost=$0.13 /kWh

Q: Approximately, how much energy is transferred from one living thing to the next? 5%…

A: To discuss amount of energy transferred from one living thing to the next.

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: Water flows over a section of Niagara Falls at a rate of 1.2 × 10^6 kg/ s and falls 50 m. How many…

A:

Q: A lamp consumes 1200 J of electrical energy in 10 s. What is its power?

A: Answer: Given data, Lamp consumes electrical energy (E)=1200 J Time (t)=10 s

Q: What is the power dissipated in the 200 1esistor when 402 30 a 30 2 30 Lm 202 Select one: a. 15 W ww…

A: power disipation = I2 R

Q: If you have an average of 6.5 hours of online class per day for 204 days of school per year, how…

A: Given: The power consumed by the laptop is 90 W. The time is 6.5 hr for 204 days. The rate of cost…

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

A:

Q: The Laptop consumes 0.71 kWh of energy in one day. What is the average power consumption of this…

A:

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

A:

Q: A lamp consumes 500 J of electrical energy in 20 sec. What is the power of the lamp?

A: Power of the lamp is calculated by the formula:   Power = Energy consumed per unit time   Power =…

Q: n electric clothes dryer is rated at 3,500 W. How much energy does it use in 25 min

A: Given Power of electric clothes dryer is P=3500  W…

Q: 1 kW = ? A) 1000 W B) 10 W C) 100 W D) 10000 W

A: Watt is the unit of power. The power is defined as the work done in a unit time interval. The…

Q: A laptop computer consumes about 40 watts of electricity per hour when operating. At $0.20 per…

A: Given data:  Power (W) = 40 W = 0.040 kW Time (t) = 10 h Electrical cost = $0.20 per kWh Required:…

Q: What energy is produced by a 200 W light bulb lit for 2.7 hours? Answer in units of J.

A: Power is defined as the rate at which energy is expensed or rate of doing work. P=Et

Q: A clock consumes 1.5 W of electrical power. How much energy does it use in each day?

A: In a day there are 24 hours, therefore, total time (t) in seconds will be,

Q: A man climbs on to a wall is 3.6m high and gains 2268J of potential energy. What is the mass of the…

A: The potential energy of the object is, U=mghm=Ugh

Q: What is the efficiency of an electric generator that produces 1.75 kwh per kg of coal burned. The…

A: Given data The electric power produced by the electrical generator is: E = 1.75 kWh/kg The heat of…

Q: Lee watches TV for 2 hours per day. During that time, the TV consumes 150 watts per hour.…

A:

Q: Electricity prices vary widely from state to state. In Connecticut, for instance, electricity costs…

A: Electricity costs $0.209/kWh in Connecticut. The electrical power in general is given by, P=I2R…

Q: A typical desktop personal computer uses around 100 W of power when carrying out intensive…

A: Given : P = 100 W t = 90 minutes = (90)(60) = 5400 seconds

Q: What is the Gravitational Potential energy of a hand sanitizer with a mass of 0.15kg that is mounted…

A:

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.