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Find the total impedance ZT and the admittance YT. Find the currents I1, I2, and I3.
Find the average power delivered to the network. Find the power factor of the network, and indicate whether it is leading or lagging.
Identify the values of conductance and susceptance, and draw the admittance diagram.
Find the type and impedance in ohms of the series circuit elements that must be in the closed container of Figure.
Verify Kirchhoff's current law at one node. Find the average power delivered to the circuit.
Find the voltage E and currents IR, IL, and IC in phasor form. Draw the phasor diagram of the currents Is, IR, IL, and IC, and the voltage E.
Find the total admittance YT in polar form. Draw the admittance diagram. Find the value of C in microfarads and L in henries.
Plot YT and ?T (of YT = YT T) for a frequency range of zero to 20 kHz.
Draw the phasor diagram of the currents Is, IR, and IL, and the voltage E. Find the current IC for each capacitor using only Kirchhoff's current law.
Find the series circuit of one resistive and reactive element that will have the same impedance as the original circuit.
Find the element or elements that must be in the closed container of Fig. to satisfy the conditions.
Express your answer in rectangular and polar forms, and draw the impedance diagram.
Find the sinusoidal expressions for the voltages and current if the frequency is 60 Hz.
Plot the waveforms for the voltages and current on the same set of axe.
Find the power factor of the circuit, and indicate whether it is leading or lagging.
Using the DMM current reading and the oscilloscope measurement of Fig.
Calculate the total power factor, and indicate whether it is leading or lagging.
An electrical load has a power factor of 0.8 lagging. It dissipates 8 kW at a voltage of 200 V.
Find the series element or elements that must be in the enclosed container of Figure.
Plot vC versus frequency for the frequency range of part (a).
Division (express your answers in polar form) (42 ?10°)/ (7 ?60°).
Express the phasor currents and voltages as sine waves if the frequency is 60 Hz.
Find the sinusoidal expression for the unknown voltage .
Find the sinusoidal expression for the unknown current i1.