RC Circuits What is the angular difference between +j4 and –j4? 90° 180° 270° 30° 90° 180° 270° 30° 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? 73Ω 129Ω 167Ω 12.9Ω 73Ω 129Ω 167Ω 12.9Ω 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 is held constant must be decreased must be increased has no effect is held constant must be decreased must be increased has no effect ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 3.46 21.63 2.16 4.24 3.46 21.63 2.16 4.24 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 = 47Ω + j150Ω Z = 103Ω Z = 47Ω – j150Ω Z = 197Ω Z = 47Ω + j150Ω Z = 103Ω Z = 47Ω – j150Ω Z = 197Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 14 – j5 is located in the fourth quadrant first quadrant third quadrant second quadrant fourth quadrant first quadrant third quadrant second quadrant ANSWER DOWNLOAD EXAMIANS APP
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