RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance increases remains the same decreases doubles increases remains the same decreases doubles ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with 150Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is Z = 197Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 103Ω Z = 197Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 103Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 30° 90° 180° 270° 30° 90° 180° 270° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases to zero decreases increases does not change decreases to zero decreases increases does not change ANSWER DOWNLOAD EXAMIANS APP
RC Circuits An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist: R = XC R > XC R < XC R = 5XC R = XC R > XC R < XC R = 5XC ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 45.88 + j65.52 40 + j40 55 + j55 22.94 + j32.76 45.88 + j65.52 40 + j40 55 + j55 22.94 + j32.76 ANSWER DOWNLOAD EXAMIANS APP
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