A balanced three - phase, three - wire abc system has delta - connected load witha 50 Q resistor, a 5 uF capacitor, and a 0.56 H inductor in series in each phase. Using positive phase sequence with Van = 390/30° rms and o = 500 rad/s, find the current in line B.
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- An ac source of voltage amplitude 10 V delivers electric energy at a rate of 0.80 W when its current output is 2.5 A. What is the phase angle between the emf and the current?In an oscillating RLC circuit, R = 7.0 L. = 10 mH. And C = 3.0 F. Initially, the capacitor has a charge of 8.0 C and the current is zero. Calculate the charge on the capacitor (a) five cycles later and (b) 50 cycles later.A 200 Q resistor is connected in series with a 4.00 µF capacitor and an ac source. The voltage across the resistor is vR = 5.00 V cos [(800 rad/s) t]. What is the reactive capacitance and the instantaneous %3D voltage across the capacitor A. Xe = 8.00 x 104 0, Vc = 2.00 x 105 V cos [(800 rad/s) t - T/2] B. Xc = 8.00 x 104 0, vc = 2.00 x 105 V cos [(800 rad/s) t + T/2] C. Xc =1.25 x 103 Q, vc = 31.2 V cos [(800 rad/s) t + n/2] D. Xc =1.25 x 10³ Q, vc = 31.2 V cos [(800 rad/s) t- T/2]
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- Find the charge q(t) on the capacitor and the current i(t) in the given LRC-series circuit. L = h, R = 10 2, C = 3 f, E(t) = 600 V, q(0) = 0 C, i(0) = 0 A 30 q(t) C %3D i(t) = A Find the maximum charge on the capacitor. (Round your answer to three decimal places.) CA series RLCRLC circuit consists of a 260 ΩΩ resistor, a 25 mHmH inductor, and a 12 μFμF capacitor. What is the rms current if the emf is supplied by a standard 120 VV , 60 HzHz wall outlet?A series circuit has a capacitor of 10-5 farad, a resistor of 3 x 10° ohms, and an inductor of 0.2 henry. The initial charge on the capacitor is 2.1 x 10-6 coulomb and there is no initial current. Find the charge q on the capacitor at any time t. q(t) :
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