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Question: a and b please...

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al t (ks) 4 812 1620 1.28 The voltage and current at the terminals of the cir- cuit element in Fig. 1.5 are shown in Fig. P1.28. a) Sketch the power versus t plot for 0 s t 50s. b) Calculate the energy delivered to the circuit ele- ment at t 4, 12,36, and 50 s.

gure P1.28 10 16 20 24 28 32 36 40 44 48 $2 56 10 1J (JA) LO 0.4 12 1お20 24 28 32 36 4044- S-) 0.6- the gurrents mable P129 Table Pl.29


a and b please

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