2. For the arrangement shown in Fig. find (a) the equivalent circuit capacitance and (b) the voltage across a 4.5µF capacitor. 4.5 µF 4.5µF 4.5 uF HHHH 3uF 1µF 1µF 500 Vo
Q: V = 75cos(5000t)V L1 110mH, L2 = 4mHe C, = 4µF %3D %3D C1 L2 ll Ix R1 V1 Vo 10 Q 100 Ix ll
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- Two capacitors, of capacitance 3µF and 5µF, are connected as shown to batteries A and B which have EMF 4 V and 12 V respectively. What is the energy stored in each of the capacitors? Calculate also the stored energy in each capacitor when the terminals of battery A are reversed, and when the battery B is disconnected, and the points X and Y are connected together.A coil of 50 W resistance and 0.15 H inductance is connected in parallel with a capacitor of unknown capacitance. If the total impedance of the combination is resistance of 100 W, determine the value of the capacitance in uF .(a) If the capacitor is initially uncharged with C = 8.50 µF and = 1230 V, find the value of R (in ohms) required to charge the capacitor to a voltage of 785 V in 1.40 s. (b) If the capacitor is then discharged across the patient's torso with Rtorso = 1240 Ω, calculate the voltage (in V) across the capacitor after 4.50 ms.
- 6 A capacitor is constructed with parallel metal plates, If the plate separation is 2 mm and the capacitance is given to 1 nano Farads, determine the area of the parallel plates of the device. Select one: a. 0.12 square meters b. 0.23 square meters c. 0.27 square meters d. 0.20 square metersA series circuit has a capacitor of 1.5625x10^(-8)F a resistor of 2x10^4 ohms, and an inductor of 1H. If the initial charge on the capacitor is zero,. if a 12-volt battery is connected to the circuit and the circuit is closed at t=0, determine the charge on the capacitor at any time tThe current in a 20 mH inductor is known to be i=40 mA,t≤0; i=A1e−10,000t+A2e−40.000tA,t≥0. The voltage across the inductor (passive sign convention) is 28 V at t=0. 1. Find the expression for the voltage across the inductor for t>0. 2. Find the time, greater than zero, when the power at the terminals of the inductor is zero.
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