RC Circuits A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, Z? 129Ω 12.9Ω 73Ω 167Ω 129Ω 12.9Ω 73Ω 167Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency has no effect must be decreased must be increased is held constant has no effect must be decreased must be increased is held constant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 4.24 2.16 21.63 3.46 4.24 2.16 21.63 3.46 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 270° 180° 30° 90° 270° 180° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 6 + j6 is equivalent to 3645° 8.4845° 8.4890° 645° 3645° 8.4845° 8.4890° 645° ANSWER DOWNLOAD EXAMIANS APP
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