Figure 10 V 1 of 2 VP19.9.2 Part C Derive an expression for the power being dissipated in R3 for (Figure 2). Express your answer in terms of some or all of the variables E, R1, R2, and Rs. ΜΕ ΑΣΦ ? P = Submit Request Answer R₁ R₂ R3 VP19.9.3 Part D Complete previous part(s)

2.00 Q 3.00 N1. .00 N 18.0 V 4.00 Q 4. The Power dissipated in the 20 is = W & Power dissipated 40 is = w 5. The power dissipated across 10 is = W & Power dissipated 30 is = W

Midterm Practice A conventional light bulb running at 40 W for 4 hours per day. How much energy does it spend in one month?   Select one: a. 480.0 kwh b. 4.800 kwh c. 0.480 kwh d. 4800 kwh e. 48.00 kwh

You pay an electric company an average of 8.7497 dollars for one kW-h used. How much would it cost in dollars to run an air conditioner rated at 650W, 10 hours a day, in 30 days? A. 1710 B. 8550 C. 855 D. 2625 E. 1310

Problem 7: A TV works properly under the voltage of AV = 210 V with power P = 1500 W. Part (a) Express the current I through the power P and the voltage AV. Expression : I= Select from the variables below to write your expression. Note that all variables may not be required. a, B, AV, n, 0, a, d, g, h, I, j, k, m, P, t Part (b) Calculate the working current of the TV in A. Numeric : A numeric value is expected and not an expression. I = Part (c) Express the resistance R through the voltage AV and the current I. Expression : R = Select from the variables below to write your expression. Note that all variables may not be required. a, B, A, AV, n, 0, a, b, c, d, g, h, I, j, k, m, P, S, t, V Part (d) Calculate the numerical value of R in Q. Numeric : A numeric value is expected and not an expression. R =

How much kWh of energy does a 550-W toaster use in the morning if it is in operation for a total of 7.0 min? Express your answer to two significant figures and include the appropriate units. Energy =    At a cost of 9.0 cents/kWh, estimate how much this would add to your monthly electric energy bill if you made toast four mornings per week (16 times per month). Express your answer using two significant figures. Cost =

How much energy (in units of kWh) does a 824-W electric motor use in 29 hours of operation? O a. 38.950 Ob. 19.834 Oc. 23.896 Od. 29.392 O e. 34.171

In the stairwell of a 10-storey building, there are two continuously used 75watt safety lamps in one year. How much will it cost for the entire year if the electricity charge is 0.078 cents/kW-hr ? А. 500 РHP В. 900 РHP С. 750 РHР D. 1025 PHР

How much energy (in units of kWh) does a 824-W electric motor use in 29 hours of operation? O a. 38.950 Ob. 19.834 Oc. 23.896 O d. 29.392 O e. 34.171

ليا O₂. C O b. 4C OC. EC Od. EC Oe. EC www.t 3R с ww E The circuit in the figure has been on for a long time. What is the charge on the capacitor? Hint: C behaves like open circuit when it is "fully charged". SR