RC Circuits A positive angle of 30° is equivalent to a negative angle of –180° –330° –60° –30° –180° –330° –60° –30° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance doubles increases remains the same decreases doubles increases remains the same decreases 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 = 47Ω + j150Ω Z = 197Ω Z = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 197Ω Z = 103Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is 195.2 W 275 W 25 W 19.52 W 195.2 W 275 W 25 W 19.52 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is 6 kHz 12 kHz 0 Hz 18 kHz 6 kHz 12 kHz 0 Hz 18 kHz 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 73Ω 167Ω 12.9Ω 129Ω 73Ω 167Ω 12.9Ω ANSWER DOWNLOAD EXAMIANS APP
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