Using only a 200-W freezer running all day for storage purposes, the utility company billed Jayzam ₱,080.00 for a month. What is the unit cost of electricity where Jayzam lives?

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A: Power Output of engine, P=200kWThermal efficiency,η=35%=0.35

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A: Since entropy is a measure of randomness, so when a system has large number of microscopic quantity…

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A: The required expression for the energy is,

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A: To explain the correct answer is given below.

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A: The world population is  P=7,800,000,000Amount of calories intake per day per personQ=2400…

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A: Given  Surface area of oven(A)= 1 m2 Temperature of oven (T) = 400°F We want to calculate power…

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A: Given, Base current, IB=20μA Gain, β=100 Emitter resistance, RE=1.2×103Ω Collector resistance,…

Q: The biggest drawback to extensive use of photovoltaic cells is

A: A Photovoltaic cell is a device which converts light energy into electrical energy.

Q: (290 = 9.Skw = 50 हु 290KAM - lookpa 1000 ma

A: The given expression with the units is 50kgs290kPa-100kPa1000kgm3 Pa or Pascals is the unit of…

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A: why 'K' is used in the equation

Q: Topic: Find potential? A 5d 66 Sl 64 60° C Date: Page

A: The above answer can be explained as under - The sum of all the three angles of a triangle is 180…

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Q: An Energy Project, 12KW Solar PV is utilized for small factory service with $5,000 per KW. If…

A: Given, Solar PV = 12KW Service/KW = $5000 Electricity cost / year = $4500

Q: A small electric immersion heater is used to heat 57 g of water for a cup of instant coffee. The…

A: mass , M = 57 g = 0.057 kg Power , P = 150 W Initial temperature , T1 = 23 °C Final temperature , T2…

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A: Given: mass of water = 50 g  temperature T = 27o C = 27+273 =300 K   Knowns: atmospheric pressure P…

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Q: g of water is split into hydrogen and oxygen using electrolysis at 27oC. Calculate the w

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A: Power "P" = 1000 W      Time "t"= 5 mins

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Q: My computer uses 15 W, if I run it for 3 hours how many Joules have I used?

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A: Power = p = 100 W  Time interval = ∆t = 0.015 hour = 0.015 hour×60 min1 hour×60 sec1 min=54 s…

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