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 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 In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is 19.2 V 3 V 27 V 1.9 V 19.2 V 3 V 27 V 1.9 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance doubles decreases remains the same increases doubles decreases remains the same increases ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –30° –60° –180° –330° –30° –60° –180° –330° 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 doubles is halved cannot be determined without values is reduced to one-fourth doubles is halved ANSWER DOWNLOAD EXAMIANS APP
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