Question

9.5 (5) A couple moved to Europe and found that the house they rented consumed power on average as indicated below (a) Find the time averaged and peak line currents laA, IbB and InN. (ignore the line drop (b) Calculate the time averaged and peak voltage drop on the neutral wire ( 0.05 Ω (c) Calculate the total power bill for a four week period at a rate of $0.12 /kWh. (include the voltage in these calculations) resistance) due to the residual imbalance in the loads neutral wire losses which occur in the house) aA Electric Heater 2000W 8 hours r da rms (+ 0.05 Ω TnN Stove 3000W 4 hours per day Lights 1000W Stereo 120W 6 hours per day 220 L0 Vrms bB

Answer 1

er da. 00S2 โฟ 0 -120 LI . will flow all leadsare oN MMO 요20. | 1000+120 V+ 220 = V+22D

Applying KCス node N , uue ує -111.74, 2119, 0,2 V canot be -,2sy since it wil be neov 230-2 0、2+/20

220-02 012+220 sC o Elechric heae w e oV 2 0 = 4,16 A 133 A

Av

DUL

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