x km y km А C Figure 1
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- Solve a-dBrightness 250+ 450+ 800+ 1100+ 1600+ Standard 25W 40W 60W 75W 100W Assume your utility charges 5.5 cents per kWh, remember there are 100 cents in 1 dollar and 365 days in 1 year. With this info and the "how many lumens" chart, together with the data given in the tables on the next page you now have all the information to calculate your answers. Location Lumens per bulb Watts per bulb Total # of bulbs Total Watts Use: hours per day kWh per day Total kWh for 1 year Cost per 1 year Cost per 10 years Kitchen overhead 800 60 6 360 3 (360(3))/1000=1.08 394.2 $21.69 $216.90 Living room 1,600 100 3 300 4 (300(4))/1000=1.2 438 Dining Room 800 5 2Part D
- Set up and solve a linear system to determine the currents I₁, I2, and I3 for the given electrical network: ww R₁ = 492 12 ww R₂ = 302 h R₂ = 19 3 V Clearly show your linear system and all GE or GJ steps.Describe an experiment to test whether an electrical device is Ohmic or not. Include in your description: What quantity would you measure? What quantity would you vary? What quantities would you plot, including which quantities go on which axes? What relationship would you expect for your plot? What is the physical meaning of the parameters of your plot (e.g. slope/offset)?R₁ M M R₂ R3 In the circuit above, R₁ = 4.7 Ohms, R₂ = 2.3 Ohms, R3 = 8.3 Ohms, and V = 3.4 Volts. What is the voltage (in Volts) across R₂?
- Compute the equivalent capacitance of the network.Needs Complete solution.Find the slope for each I - V curves in Plot 1. Determine the value of resistances R1 and R2 by using the slope of the I - V curves. Show your calculations. Supply Voltage (Vs) Voltage across R₁__(V₁) Voltage across R₂ (V₂) Current through R₁_(l₁) Current through R₂_(1₂) Computed value of I₁R₁ Computed value of I2R2 2.0 V 1.375v 0.623v 0.6147mA 0.6147mA 1.331v 0.603v Table 4 4.0 V 2.7529v 1.1468v 1.268mA 1.268mA 2.749v 1.245v 6.0 V 4.127v 1.870v 1.901mA 1.901mA 4.121v 1.867v 8.0 V 5.503v 2.493v 2.536mA 2.536mA 5.498 v 2.490v 10.0 V 6.878 3.118v 3.171mA 3.171mA 6.874v 3.114v Current 3.5 3 in 2.5 2 1.5 1 0.5 0 0 2 Plot 1: I-V curves for resistors R1 and R2 using the data from Table 4 4 Voltage 6 8 Current 3.5 3 2.5 2 1.5 1 0.5 0 0 0.5 1 1.5 Voltage 2 2.5 3 3.5
- Question A3 A large capacitor of 3000 µF is charged by a constant current. After 1 minute it reaches a voltage of 100 V. At that voltage, the charging circuit is disconnected. a) Calculate the charging current. b) A second identical capacitor is connected across the capacitor, using wires with 1 kN re- sistance. Sketch a graph of the voltages on the two capacitors as a function of time, with appropriate numbers and units marked on the axes.Help. Answer a,b,c,d,e.Solve the problem in Image thank u