1. Figure shows the power consumption of a certain household in 1 day. Calculate: (a) the total energy consumed in kWh, (b) the average power per hour over the total 24 hour period. 1200 W PA 800 W 200 W →t (h) 12 2 4 6 8 10 12 2 4 6 8 10 12 noon

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A 9 W led lightbulb emits the same light as a 60 W standard lightbulb. If a power company charges 10 cents per kW.h, then how much money do you save by using the led lightbulb instead of the standard lightbulb for 30 days?

C3 C1 = 6.00 jaF, C2 = 1.00 uF, C3 = 3.00 µF, C4 C4 = 6.00 µF, Vab = 12.0 V C Figure 1. Network of Capacitors for Questions 1 to 4. In Fig. 1, the equivalent capacitance of the network of capacitors connected to the DC source is most nearly А. 0.833 иF. В. 1.20 рF. C. 2.00 µF. D. 0.500 uF. Е. 1.00 иF.