RC Circuits Point +4 on the complex plane is 4 units above the origin on the j axis 4 units right of the origin on the real axis 4 units left of the origin on the real axis 4 units below the origin on the j axis 4 units above the origin on the j axis 4 units right of the origin on the real axis 4 units left of the origin on the real axis 4 units below the origin on the j axis 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 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 –90° Ω Z = 150 Z = 150 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 –90° Ω Z = 150 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit does not change increases decreases decreases to zero does not change increases decreases decreases to zero ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 4 + j3 is located in the fourth quadrant third quadrant first quadrant second quadrant fourth quadrant third quadrant first quadrant second quadrant 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 2.12 mS + j3.14 mS 212 3.14 mS + j2.12 mS 318.3 2.12 mS + j3.14 mS 212 3.14 mS + j2.12 mS 318.3 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 845 mW 84.5 mW 13 mW 130 mW 845 mW 84.5 mW 13 mW ANSWER DOWNLOAD EXAMIANS APP