RC Circuits A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k. Current flow in the circuit is 4.6 mA 9.2 mA 460 mA 92 mA 4.6 mA 9.2 mA 460 mA 92 mA 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 25 W 275 W 19.52 W 195.2 W 25 W 275 W 19.52 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –30° –180° –60° –330° –30° –180° –60° –330° 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 2.12 mS + j3.14 mS 3.14 mS + j2.12 mS 318.3 212 2.12 mS + j3.14 mS 3.14 mS + j2.12 mS 318.3 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 12.9Ω 73Ω 167Ω 129Ω 12.9Ω 73Ω 167Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases does not change decreases to zero increases decreases does not change decreases to zero increases ANSWER DOWNLOAD EXAMIANS APP
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