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A certain electronic circuit is connected to a 110-V ac line. The root-mean-square value of the current drawn is 2 A, with a phase angle of 55?.
(a) Find the true power drawn by the circuit.
(b) Calculate the apparent power.
an abc-phase sequence three-phase balanced wye connected 60 Hz source supplies a balanced delta-connected load. the phase impedance in the load consists of 20 ohm resistor in series with a 50 mh inductor and the phase voltage at the source
If power Ps=10W, power gain factor G1=150, and power gain G2=14 dB, find the maximum value of LdB (path loss in dB) such that the power delivered to the resistor is -85 dBm.
An initially charged capacitance discharges through a resistance. At one time constant, what percentage of the initial voltage remains What percentage of the initial soted energy remains
Use electric circuit analysis techniques and Laplace methods to find the charge, q(t), on the capacitor as a function of time. The switch is closed at t = 0 and the initial voltage V0 on the capacitor is 5 Volts.
Two short antennas each of length 10cm at the origin carry identical currents of I = 5 Sin (wt). One is in the az direction and the other one is in the ay direction. If the frequency of the antenna is 60 MHz then calculate
a square plate of 50x50 pixels size placed at the origin of the x-y plane of a camera coordinate system is sheared vertically so that the point (49,0) moves to (49,10), and then rotated by 30 degrees.
Calculate and plot the noise figure of this line as its physical temperature ranges from T = 0 K to 1000 K, for F0 = 1 Db and for F0 = 3 dB.
The noise temperature at the receiver antenna terminals is T0=290K. The equipment and environment suggest that 6dB of margin be used to assure performance under all conditions. For reliable voice communications, a received signal should be 17dB ab..
Point charge 1.5{\rm \mu C} is located at x = 0, y = 0.30 {\rm m}, point charge -1.5{\rm \mu C} is located at x = 0 y = -0.30 {\rm m}. What are (a)the magnitude and (b)direction of the total electric force that these charges exert on a third point..
Assume that theelectron velocity is zero at the cathode, the E-field is directedfrom the anode to the cathode with a magnitude of E =24/0.4[kV/m], and there is no magnetic field.
2.25 kg of a fluid having a volume of 0.1 m^3 are contained in a cylinder at constant pressure of 7 bar. Heat energy is supplied to the fluid until the volume becomes 0.2 m^3. If the initial and final specific enthalpies of the fluid are 210 kj/kg..
The Total Complex Power Supplied By The Source
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