RC Circuits What is the angular difference between +j4 and –j4? 30° 180° 90° 270° 30° 180° 90° 270° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –330° –180° –60° –30° –330° –180° –60° –30° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 4 + j3 is located in the third quadrant second quadrant fourth quadrant first quadrant third quadrant second quadrant fourth quadrant first 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 angle – 90° Ω Z = 150 –90° Ω Z = 150 angle 180° Ω Z = 150 Z = 150 angle – 90° Ω Z = 150 –90° Ω Z = 150 angle 180° Ω 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 13 mW 84.5 mW 845 mW 130 mW 13 mW 84.5 mW 845 mW 130 mW ANSWER DOWNLOAD EXAMIANS APP
RC Circuits An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist: R = 5XC R < XC R = XC R > XC R = 5XC R < XC R = XC R > XC ANSWER DOWNLOAD EXAMIANS APP