1. A meter reader determines that a business has consumed 3550 kWh of energy in two months. If electricity costs 10 cents per kilowatt-hour, how much will the bill be? Smartmeter 25000 then 28550 = difference 3550
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- 5. The graph shows the voltage as a function of x. What is E, at x = 2.5 m? 2 а. b. What is E, at x = 1.5 m? -1 2 3 x (meters) V (volts)5. The graph shows the voltage as a function of x. a. What is Ex at x = 2.5 m? b. What is E at x = 1.5 m? V (volts) 2 2 x (meters) 3An iPhone battery stores 6.55 Wh of energy. How many iPhones could be charged in one day by a small solar panel of dimensions 0.54 m X 0.35 m. Assume that this panel has an efficiency of 18% and is in Gainesville where we get 5.47 kWh/m2/lday. Roundoff the number to zero decimals. 54 36
- B4. and the battery has a voltage V = 12 V. (a) Find the equivalent capacitance of the network. C (b) Find the total energy stored in the network.c, - 10uF C, - 22µF Cz - 10µF 12V FIGURE A .Refer to FIGURE A Three capacitors are connected as shown from Figure A. Compute for the total charge of the entire circuit. A. 288 μC В. 125.76 иС С. 104.30 ис D. 288 µC Select one: О а. А Оь. В O. C O d. D7. A4.50-volt personal stereo uses 1950 joules of electrical energy in one hour. What is the electrical resistance of the personal stereo? (1) 433 Q (2) 96.3 Q (3) 37.4 2 (4) 0.623 Q 7
- Three identical capacitors of 3.1 x 10-6F are used to build a circuit. Two of the capacitors are placed in parallel. The third is connected in series with the parallel capacitors. What is the equivalent capacitance of the circuit?5. A car needs a battery with the following specifications (12V and 10 Amps). A flashlight battery has the following specifications (1.5 V & 0.5 Amp). If you plan to replace a car battery with flashlight batteries What is the minimum number of batteries required? How many of them will be in series and how many parallel (b ) Why are the capacitors assumed to be the major culprit in case of an electrical fire? What events can trigger this to happenYou get home from work and make the same meal everyday for a year. Vegetables and meat baked in a casserole dish. You cook your meal at 350 F for 60 mins. This uses about 2.5kWh of electricity. What will it cost you to cook your dinners for a year if your utility charges you 5.5 cents per kWh?
- .ull Asiacell ? ÖS 2:24 @ %75 A docs.google.com LICU CT (Experimental) Required Select the true answer: 1. The capacitor voltage (VC) in the of discharging at a specific value of time t = T = RC [d.c. Voltage Supply (ɛ)= 10 volts] is 6.3 V 14.14 V. 7.07 V. 3.7 V. This is a required question 2. When will be capacitors fully charged? * When the supply voltage is equal to the capacitor voltage. When voltage is infinity.5. A person used his 1500 W air-conditioning unit for 6 h every day during the month of July. How much energy he consumed every day by using the air-conditioning unit? How much did it cost him for the whole month for using his air conditioner if the electricity is priced at P9.45/kWh? а. b.6. What is the equivalent capacitance of the capacitor network in the figure? 2.00 μF 3.00 μ 4.00 µF 5.00 µF