창원대 회로망이론리포트 교재:Fundamentals of Electric Circuits

[practice problem]
11.1 calculate the instantaneous power and average power absorbed by the passive linear network of Fig11.1 if v(t)〓33cos(10t+20 °)V and i(t)〓33sin(10t+60 °)A.

11.2 A current I〓33[30 °[A] flows through and impedance Z〓40[-22 °[ohm].Find the average power delivered to the impedance.
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[practice problem]
12.1 Given that V_bn〓220[30 °[V], find V_an and V_cn, assuming a positive(abc) sequence.
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12.3 one line voltage of a balanced Y-connected source is V_AB〓120[-20 °[V].if the source is connected to a Δ-connected load of 20[40 °[ohm],find the phase and line currents.assume the abc sequence.
12.4 A positive -sequence, balanced Δ-connected source supplies a balanced Δ-connected load.if the impedance per phase of the load is 18+j12[ohm] and I_a〓9.609[35 °[A],find I_AB and V_AB.
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[practice problem]
15.1 Find the laplace transform of these functions: r(t)〓tu(t),that is, the ramp function; Ae^-at * u(t); and Be^(-jwt) * u(t).
15.2 Find th…(생략)