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 When the frequency of the voltage applied to a series RC circuit is increased, the phase angle increases decreases becomes erratic remains the same increases decreases becomes erratic remains the same ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 180° 90° 30° 270° 180° 90° 30° 270° 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 = 197Ω Z = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 197Ω Z = 103Ω Z = 47Ω – j150Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 120Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total impedance? 3.7Ω 4800Ω 37.9Ω 14400Ω 3.7Ω 4800Ω 37.9Ω 14400Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 470 resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is 318.3 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 212 318.3 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 212 ANSWER DOWNLOAD EXAMIANS APP
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