The most KWh/year of Ocean Energy is provided by:
Q: Example of energy density in daily lives
A: Density is used in our everyday lives all the time for example we used density for balloons since…
Q: energy costs COSTS
A:
Q: Question 7: Certain areas in Arizona, Nevada, California and Texas can have up to 4000 sunny hours a…
A: From the given data we can say Total energy consumption = Average light landing * Sunny hours *…
Q: 16a)Based on our learning from the practical ‘Determining the cost of boiling water’, suppose that I…
A: Total energy consumed = P×t = 2000W × (15/60)h = 500wh = 0.5 kWh
Q: The spark of a natural lightning bolt is 25 gigawhats, it releases an energy of 21.8 x 10 e5 whatss…
A: Write a given values of this question. P=25×109WE=21.8×105Wt=1s
Q: If you use a 1000-watt microwave oven for 20 seconds, how much work does it do?
A:
Q: Ex. 74 : You are given two condensers each of capacity of 10 and battery of e.m.f. 240 volt. What…
A: To find- (1) The combination which gives maximum energy=? (2) Energy=? Given- C1=10 μF C2=10…
Q: Calculate the power used by a microwave oven that uses 112 500 J of energy in 2.5 minutes.
A: power = work done/time taken
Q: An electric kettle of 2200 W is used for 1 min. How much electrical energy is used
A:
Q: Some energy is lost in every energy conversion. Explain the meaning of this statement. (Direct your…
A: Energy transformed into another form involves energy loss. But, it is a known theory in Physics…
Q: 20-18 The BMW Hydrogen 7 consumes an average of 13.7 L/100 km of gasoline (when operating in the…
A:
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: Explain the importance of solar energy power generation with reference to present world energy…
A: Solar energy power is the conversion of the sunlight energy into the electri energy. Using the…
Q: There are two advantages to using solar panels, what are they?
A: Solar panels produce renewable energy that is available on daily basis and practically all over the…
Q: What is ultimate source of energy in hydroelectric power plant?
A:
Q: One watt is equal to __________ a) one kilowatt per second b) one kilo joule per second c) one…
A: C
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: The nearby town of Bellefonte, PA features the Gamble Mill, an old mill originally used to grind…
A: GivenHeight difference = 3 mFlow rate = Acceleration of gravity…
Q: Suppose you have a 1000Wmicrowave that you need to run for 5minto heat up your dinner.1. How much…
A: Power "P" = 1000 W Time "t"= 5 mins
Q: What is the available energy content, in joules, of a battery that operates a 2.00-W electric clock…
A: Given data: Power, P=2.00 W Time taken, t=540 days
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: The United States has a lot of federally owned land. Unfortunately, uncontrolled natural forest…
A:
Q: - b. higher temper Oc. none of these
A: The Significance of the Concentration Factor in Concentrated Solar PowerConcentrated solar power…
Q: The E-I characteristics give information about the ability of PV or solar panel to convert…
A: Solution- The correct option is (c) sunlight into electricity
Q: In the circuit shown, R,=R2=R, and ɛ2 =. The power %3D 2 dissipated in R, is 20 W. Does battery &…
A: From the given circuit diagram,
Q: Relate energy density in our daily lives
A: In this question we have to relate the energy density in our daily lives.
Q: Can you transform work to KE? If yes, how? If no, why?
A: Given: Can you transform work to KE? If yes, how? If no, why?
Q: How many tonnes of wood per day would be needed for a wood-fired generating station that produces…
A: Given data: Energy produced by burning wood P=1000 MW. Efficiency η=35%. Therefore, total energy…
Q: Calculate consume 3456 J of energy. the time taken 72 w bulb to
A: Introduction : In this question we are provided with value of power and energy. with these data we…
Q: Your home electricity bill for this 30-day month is $84. The rate is 15 cents per kilowatt-hour. How…
A: Solution: Given that Electricity bill for month (30 days) = $84 rate is 15 cents per kilowatt-hour
Q: A region gets its electric supply from a nearby coal power plant. Some people in the region install…
A: Two main sources of electricity production are : Solar energy Energy produced by burning Coal
Q: A 100 watt light bulb has been left on for 20mins. How much work was done? (Reminder 1 watt= 1…
A: In the light bulbs work done is the form energy transfer from one place to another place. The light…
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