RC Circuits A 47Ω resistor and a capacitor with 150Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is Z = 47Ω + j150Ω Z = 197Ω Z = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 197Ω Z = 103Ω Z = 47Ω – j150Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency is held constant must be increased must be decreased has no effect is held constant must be increased must be decreased has no effect ANSWER DOWNLOAD EXAMIANS APP
RC Circuits Point +4 on the complex plane is 4 units below the origin on the j axis 4 units above the origin on the j axis 4 units left of the origin on the real axis 4 units right 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 left of the origin on the real axis 4 units right of the origin on the real axis 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 27 V 3 V 1.9 V 19.2 V 27 V 3 V 1.9 V 19.2 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 90° 180° 30° 270° 90° 180° 30° 270° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 55 + j55 40 + j40 22.94 + j32.76 45.88 + j65.52 55 + j55 40 + j40 22.94 + j32.76 45.88 + j65.52 ANSWER DOWNLOAD EXAMIANS APP