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 4800Ω 3.7Ω 14400Ω 37.9Ω 4800Ω 3.7Ω 14400Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 14 – j5 is located in the third quadrant fourth quadrant first quadrant second quadrant third quadrant fourth quadrant first quadrant second quadrant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 12 kΩ resistor is in series with a 0.02 μF capacitor across a 1.2 kHz ac source. If the current is expressed in polar form as I = 0.3 angle 0° mA, what is the source voltage expressed in polar form? 45.6 V 4.11 V 0.411 V 411.3 V 45.6 V 4.11 V 0.411 V 411.3 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 3.46 2.16 4.24 21.63 3.46 2.16 4.24 21.63 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 6 + j6 is equivalent to 8.4845° 645° 8.4890° 3645° 8.4845° 645° 8.4890° 3645° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 k resistor is in series with a 0.015 F capacitor across a 15 kHz ac source. What is the magnitude of the total impedance and the phase angle? 707 and θ = –19.5° 2121 and θ = –19.5° 73.4 and θ = –19.5° 734 and θ = –38.9° 707 and θ = –19.5° 2121 and θ = –19.5° 73.4 and θ = –19.5° 734 and θ = –38.9° ANSWER DOWNLOAD EXAMIANS APP
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