RC Circuits When the frequency of the voltage applied to a series RC circuit is increased, the phase angle increases becomes erratic decreases remains the same increases becomes erratic decreases remains the same ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –330° –60° –180° –30° –330° –60° –180° –30° 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 increased has no effect must be decreased is held constant must be increased has no effect must be decreased ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance cannot be determined without values is reduced to one-fourth is halved doubles cannot be determined without values is reduced to one-fourth is halved doubles 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 212 318.3 2.12 mS + j3.14 mS 3.14 mS + j2.12 mS 212 318.3 2.12 mS + j3.14 mS 3.14 mS + j2.12 mS 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? 37.9Ω 14400Ω 3.7Ω 4800Ω 37.9Ω 14400Ω 3.7Ω 4800Ω ANSWER DOWNLOAD EXAMIANS APP