Home / Questions / Find the equivalent impedance ZL shown in Figure P466a as seen by the source if the freque...
Find the equivalent impedance ZL shown in Figure P4.66(a), as seen by the source, if the frequency is 377 rad/s.
b. If we wanted the source to see the load as completely resistive, what value of capacitance should we place between the terminals a and b as shown in Figure P4.66(b)? Hint: Find an expression for the equivalent impedance ZL, and then find C so that the phase angle of the impedance is zero.
wire resistances, and L1 and L2 represent the lead wire inductances.
a. If C = 1 μF, RC = 100 MQ, R1 = R2 = 1 μQ and L1 = L2 = 0.1 μH, find the equivalent impedance seen at the terminals a and b as a function of
frequency ω.
b. Find the range of frequencies for which Zab is capacitive, i.e., Xab > 10|Rab.
Hint: Assume that RC is is much greater than 1/wC so that you can replace RC by an infinite resistance in part b.
a
vS
b
(a)
RC
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