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? 14400Ω 37.9Ω 4800Ω 3.7Ω 14400Ω 37.9Ω 4800Ω 3.7Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 14 – j5 is located in the first quadrant third quadrant second quadrant fourth quadrant first quadrant third quadrant second quadrant fourth quadrant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is Z = 150 Z = 150 –90° Ω Z = 150 angle 180° Ω Z = 150 angle – 90° Ω Z = 150 Z = 150 –90° Ω Z = 150 angle 180° Ω Z = 150 angle – 90° Ω 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 3 V 1.9 V 27 V 19.2 V 3 V 1.9 V 27 V 19.2 V 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 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 318.3 212 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 318.3 212 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is 130 mW 13 mW 84.5 mW 845 mW 130 mW 13 mW 84.5 mW 845 mW ANSWER DOWNLOAD EXAMIANS APP
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